Physics Questions and Answers November 25, 2022

An object is traveling such that it has a momentum of magnitude 20.1 kg . m/s and a kinetic energy of 231 J. Determine the following: (a) speed of the object in meters per second m/s (b) mass of the object in kilograms kg Supporting Materials.

A man holding a rock sits on a sled that is sliding across a frozen lake (negligible friction) with a speed of 0.490 m/s. The total mass of the sled, man, and rock is 95.0 kg. The mass of the rock is 0.300 kg and the man can throw it with a speed of 16.0 m/s. Both speeds are relative to the ground. a. Determine the speed of the sled (in m/s) if

A box of mass m 1kg begins from rest and slides down a frictionless hill of height H 2m. Suppose that the box experiences a force of friction as it slides down the hill, such that it comes to rest at the bottom. H (a) (5 points) Draw a Free Body Diagram for the box (b) (5 points) In the scenario including friction above, which forces perform

The 274.40g model rocket generates 6.33N of thrust. It spins in a horizontal circle at the end of a 48.4cm long, 244.0g, rigid rod. What is its angular acceleration?

The system shown remains at rest. If a 3 m, b 5 m, and each block weighs W 20 N, what is the force of friction on the block on the incline b a W

When a rock falls from a high point, it accelerates as it falls until it reaches its greatest speed the moment before it hits the ground. In terms of Conservation of Energy, what is happening to this rock?

A cart of mass 0.232 is travelling at speed 6.2 when it hits a barrier and stops over the course of 2.25 milliseconds. What is the magnitude of the impulse imparted on the cart by the barrier? Give your answer in kg m/s, rounded to the nearest whole number?

A 45.9g golf ball is driven from the tee with an initial speed of 47.4 ms and rises to a height of 34.1 m. (a) Neglect air resistance and determine the kinetic energy of the ball at its highest point. (b) What is its speed when it is 5.06 m below its highest point 3,A 45.9g golf ball is driven from the tee with an initial speed of 47.4 ms and

Two birds Two birds traveling at right angle to each other collide, and hold on to each other during collision. The two birds have masses 4 kg and 7.22 kg. The smaller bird is traveling with the speed 17.4 m/s, and the larger bird is traveling with the speed 5.1 m/s. What is the speed of the two birds after the collision, two decimal places?

In a closed system, two neutral objects are brought into contact with each other. After the contact, we find that the first object has a positive charge. What can we now conclude about the second object?

You toss a ball horizontally at 12 m/s about 1.5 m above the ground towards a dog who is sitting 2.9 m away. What height will the dog's mouth need to be at to catch the ball (if the dog only jumps vertically)? How fast (and in what direction) will the ball be traveling when the dog catches it? Include a sketch of the situation (with a coordinate

Consider the system shown in the figure, in which we have two very long coaxial conducting cylinders with radius a and b,a

A bicyclist starting at rest produces a constant angular acceleration of 1.20 rad/s 2 for wheels that are 35.5 cm in radius. (a)What is the bicycle's linear acceleration (in m/s 2 )? (Enter the magnitude.) (b)What is the angular speed of the wheels (in rad/s) when the bicyclist reaches 10.4 m/s? (c)How many radians have the wheels turned through

Suppose we drop a basketball out of an commercial airline traveling typically at 11582.4 meters above ground. It then reaches terminal velocity almost instantly. Using the fact that the basketball's cross-sectional area is A = 0.046 m2 and the coefficient of air drag is C = 0.47 for a sphere, determine its terminal velocity through a force

The dung beetle is known as one of the strongest animals for its size, often forming balls of dung up to 10 times their own mass and rolling them to locations where they can be buried and stored as food. A typical dung ball formed by the species K. nigroaeneus has a radius of 2.10 cm and is rolled by the beetle at 6.30 cm/s. (a)What is the rolling

You throw brick straight up. Ignoring air resistance, after it leaves your hand it will experience A. only the downward force of its weight, both before and after it reaches its maximum height. B. both an upward force, and the downward force of its weight after it rises. The upward force will gradually diminish to zero at the ball's maximum

You apply 80 N of force to the end of a 15 cm long wrench. At which angle should you push to create 8 Nm of torque? Include a sketch to show the angle. For your sketch, indicate if the torque is positive or negative.

One of the greatest mysteries of bird life is traveling. Every year during autumn and early winter, birds travel from northern regions of Asia, Europe, and America to the southern warmer lands. They make the return journey again during spring and early summer. They are punctual unless they are delayed by bad weather. They face many dangers and

The star Deneb has an apparent magnitude of 1.3 and an absolute magnitude of -7.5. The star Arcturus has an apparent magnitude of 0.0 and an absolute magnitude of -0.6. Which star emits more energy?

An elevator mass m=1000 kg starting from rest travels from the first to the second floor d= 10 m with constant accelerations a= 1.0 . A draw a completed sketch. B. Determine the work Wg done by gravity on elevator. C. Determine the work Wt done be the tension T exerted by the elevator cable.

You have a 2019 Toyota corolla and you know that you require 108 Nm of torque to tighten the bolts to spec. The torque wrench you have is 40 cm. What is the Force you had to apply in order to tighten your lug nuts on your spare tire so you can get back on the road safely home? Explain.

If Uranus and Neptune had no satellites at all, would you expect them to have rings? a. Yes; the rings would be even more substantial since they are made of material that did not form moons. b. Yes; the massive planets attract ring material with their gravity. c. No; there would have been no moons to crush into rings. d. No; ring material comes

A rectangular settling tank (Type I Settling only) with a length: width of 2:1 treats water at 4000 m 3 /d. The retention time is 25 min and depth is 4 m. a. Calculate the overflow rate and the horizontal velocity assuming an even velocity distribution throughout the settling tank. b. Given the settling velocity curve below, what is the expected

You are asked to design a single media filtration system for a drinking water facility. The design flow rate is 20 mg/d (million gallons per day). The ideal filter velocity for your system is 8 m/hr. You design a set of filters to be used in parallel. Each filter box has a surface area of 50 m 2 . a. How many filters do you need to construct? b.

A 87.5kg ice hockey player hits a 0.13kg puck, giving the puck a speed of 44m/s. What is the magnitude of the player's velocity after hitting the puck?

The average density of the Moon is 3.34 grcm. The ratio of the mass of Earth to that of Moon is 0.82x102. The ratio of the radius of Earth to that of Moon is 3.66. a) Find the average density of Earth in terms of kgm. b) Verify the volume and density of Earth by using the dimensional analysis.

A straight wire of length 2 m carries a current of 10 A. If this wire is placed in a uniform magnetic field of 0.15 T making an angle of 45 with the magnetic field, the applied force on the wire will be A 1.5 N B 3 N C 32 N D T 2

How long does it take the ball to reach the hoop,Your teacher tosses a basketball. The ball gets through the hoop (lucky shot). 2.603 m 16 ms 68 .0 3.048 m Figure Not drawn to scale. How long does it take the ball to reach its maximum height Note Neglect air friction and remember g 9.802 ms.

If a wave travels 1,131 meters in 24 seconds, how far will it travel in 42 seconds assuming constant energy? (round to the nearest hundredth if necessary).

How many 50W panels will the owner require assuming battery storage is 75% efficient and all loads are DC (no inverter)? The daytime load is 2400 Wh and the night time load is 1300 Wh. Ignore the charge controller efficiency. (a) For a stationary system "seeing" 5 hrs of peak sunlight/day? (b) For a tracking system "seeing" 8 hrs of peak

Mass M1 has twice the mass of M2. M1 and M2 are raised from a height of 5 m to 25 m, and from 14 m to 24 m, respectively. What is the ratio of work done on mass M1 to that done on mass M2?

Mass M1 has twice the mass of M2. M1 and M2 are raised from a height of 5 m to 25 m, and from 14 m to 24 m, respectively. What is the ratio of work done on mass M1 to that done on mass M2?

The current NAVSTAR GPS constellation consists of how many GPS III/ IIIF satellites Hint: Use www.gps.gov to assist with GPS Questions. 1) 6 2) 31 3) 12 4) 7 5) 30

Near the surface of Earth, a helicopter travels upward at a constant downward acceleration of 20 ms. (Read carefully and solve carefully) At some moment, t 0, at the instant vo 40 ms, a package drops out of the helicopter. The package is neither thrust nor shoved it is merely released. The helicopter continues to move up at the same constant

An A 0.056 kg tennis ball is dropped from rest, a height of 1.3 m above the surface of a bathroom scale. It bounces off the scale and returns to a final height of 1.1 m above the surface of the scale before stopping again. The scale measures the upward normal force on the tennis ball in Newtons, as shown in the plot. What is At, the duration of

An acid while a base a. gains hydrogen ion, gains hydroxide ion b. gains hydroxide ion, gains hydrogen ion c. produces hydroxide ion, produces hydrogen ion d. produces hydrogen ion, produces hydroxide ion

At t 0, a street hockey stick slaps a puck, giving the puck an unknown initial horizontal velocity, vo. The street surface underneath the puck is rough, so the hockey puck loses speed at every instant of its motion from the very first to the very last. The puck slows down at a constant rate Every second, the puck loses the same amount of speed.

When a Frisbee is flying horizontally through the air, the speed of the air flowing over the Frisbee's top is a. lower than the speed of the air beneath it and the pressure on top of the Frisbee is greater than the pressure beneath it. b. higher than the speed of the air beneath it and the pressure on top of the Frisbee is less than the pressure

A 1.10 kg book is pushed across a table. Its velocity after the push is 1.70 m/s and it comes to rest after moving a distance of 0.870 m. 1. What is the magnitude of the average frictional force acting on the book? 2 How much thermal energy is generated due to the frictional force?

A DC-10 jet aircraft is flying on a bearing of 650 at 450 miles per hour Find The components for the velocity of The airplane b) what is the change in elevation in feet per second Recall the bearing is the angle that the line of travel makes with due North, measured. Clockwise.

A 4.00kg block slides on the surface of an inclined table, which makes an angle of 15.0 with the horizontal. The block is connected through cords over two pulleys to a 7.26kg bowling ball on the upper side of the table, and a 3.00kg ball on the lower side, as shown in the figure below. The pulleys are massless and frictionless, while the

7.26 kg 4 kg 15 3 kg

A cart full of water travels horizontally on a frictionless track with initial ve locity v. As shown in the diagram, in the back wall of the cart there is a small opening near the bottom of the wall that allows water to stream out. Consid ering just the cart itself (and not the water inside it), which of the following most accurately describes the

1. Calculate the horizontal (x) component of the reaction (supporting) force (Ib) at point A. 2. Calculate the vertical (y) component of the reaction (supporting) force (lb) at point A. 3.Calculate the magnitude of the total reaction force (Ib) at point A. 4.Calculate the horizontal (x) component of the reaction (supporting) force (b) at point D.

Consider the situation below in which a steel beam is supported by a column at one end (at A) and is supported (at B) part way along its length by a wall. The beam is pinned to the column at A and is supported by a roller connection at B. The beam has applied loads as shown in the figure (dark gray vectors). column A 8 pinned 6 700 lb B beam 12 60

It took Fred 12 hours to travel over pack ice from one town in the Arctic to another town 360 miles away. During the return journey, it took him 15 hours. Assume the pack ice was drifting at a constant rate, and that Fred's snowmobile was traveling at a constant speed relative to the pack ice. What was the speed of Fred's snowmobile? a. 27 miles

Why must you be careful when applying current to the platinum wire? a. If the wire gets too hot it can break b. The wire is sensitive and can break easily c. All options are correct d. Platinum is very expensive

Water flows steadily up the vertical pipe of diameter D and out the nozzle of diameter d, discharging to atmospheric pressure (Figure 1). The stream velocity at the nozzle exit is Ve. Find the minimum gage pressure required at section D. T H Figure 1 V ine

the track must be perfectly level so that the force of gravity can be perfectly balanced by the Normal force. To do this, use the digital level, and adjust the four support feet of the track. 2. Gently place the cart on the track, and ensure the wheels of the cart are properly in the grooves of the track. Notice the removable weights which can be

In this lab activity you will study the acceleration of a cart when acted upon by a thrust force generated by a fan mounted onto the cart. Note that in contrast to the Linear Motion experiment, the track on which the cart moves will be horizontal, so the force of gravity will always be perfectly balanced by the Normal force. You will investigate

Ed and Stede are under attack from a rival pirate ship They launch a cannonball. The ball is launched at initial speed vo 40 ms, at an angle 15 compared to the flat, horizontal ocean, from the ship deck at a height h 10 m above the water. The rival ship is 150 m away. It is a much larger ship and its deck sits at a height H 20 m. Stede is not

Disinfecting a surface is when a. The Organic material is removed from the surface b. The chemical is applied to a visibly dirty surface c. The chemical is applied to a cleared surface d. The surface is cleared with soap and water

The speed of sound as it travels through the air depends on the temperature of the air according to the function v c 331, where V represents the velocity of the sound waves in meters per second (ms), at a temperature of c Celsius. a. Interpret the meaning of the slope and , intercept in this context. b. Determine the speed of sound at a

A squirrel descends an 8-m tree at a constant speed in 1.5 min. It remains still at the base of the tree for 2.3 min. A barking dog then causes the squirrel to scamper partially up the tree in 0.03 min to approximately one-third from which it started. Ignoring speeding up and slowing down motion, which graph most closely represents the squirrel's

B Position (m) Position (m) Position (m) Position (m) Time (min) Time (min) Time (min) Time (min)

A heat engine is based on a cycle consisting of an isobaric, an isometric and an adiabatic process (Fig. 2). The working substance is 1.00 mol of ideal monatomic gas. The work done on the gas during the adiabatic process is 1023.3 J. (a) Find the work done by the gas for the entire cycle. (b) Find the amount of heat for each process. (c) Find the

Table 1 relationship between angular velocity, tangential velocity and centripetal acceleration of the ladybug on the turntable. Angular Velocity (degrees second) 45 90 135 180 225 270 Tangential Velocity v (ms) 1.571 3.142 4.712 6.283 7.854 9.425 Centripetal Acceleration ac (ms) 1.234 4.935 11.103 19.739 30.843 44.413,Table 2 Relationship between

1. What is Pockel's effect? how is it used in the LN intensity modulator? 2. Derive the transfer function of the Mach-Zehnder modulator, considering voltages +V and -V applied to the top and bottom arm, respectively. 3. If we bias the modulator at Vquad+ and apply an RF signal of amplitude ( ) and frequency 1 kHz, how does the output look like?

Table 2 Relationship between radius, tangential velocity and centripetal acceleration of the ladybug on the turntable. Radius (m) 1m 2m 3m 4m Tangential Velocity v (ms) 1.617ms 3.142ms 4.742ms 6.268ms Centripetal acceleration ac (ms) 2.540ms2 4.935ms2 7.449ms2 9.846ms2,Draw a Free Body Diagram for the ladybug as it revolves around the turntable.

Two point-like objects P and Q are undergoing circular motion at constant speeds. Figure Q5.8 shows four possible combinations of paths for the two objects during the same time interval. Choose which is correct for i. the periods of the objects to be equal, ii. the speeds of the objects to be equal, and iii. the radial accelerations of the objects

Figure Q5.8 (a) (c) (b) (d)

This type of glass is found in bottles and windows and is made when molten glass is cooled on a bath of molten tin. a. borosilicate b. laminated c. bullet-resistant d. float

Heat, q, is energy transferred between a system and its surroundings. For a process that involves a temperature change qm.C.AT where C, is specific heat and m is mass. Heat can also be transferred at a constant temperature when there is a change in state. For a process that involves a phase change q n where, n is the number of moles and AH is the

In Ferdinand de Saussure's theory of the sign, the relationship between the signifier and the signified a. is based on similarity and resemblance b. is based on a physical, spatial connection between the two c. connects a sound pattern with a concept d. Both B and C

The dot and metal. For a singlelevel quantum dot in contact with a metal, assuming that is independent of wo and that

Imagine that a new, very strange conservative force has been discovered, where 2 F 3y in the coordinate system that youve defined. What would the x corresponding potential energy of this force be

1. A square loop of wire (10cm each side) hangs vertically, as shown here. When the current in the wire is 0.245 A counterclockwise, a scale supporting the wire indicates a downward force of 3.48x10 N. Find the magnitude of the magnetic field. I B O O O O,2. In which direction is the (conventional) current in the wire moving In which direction is

Amber waves has a restaurant on the 10th floor of a hotel. one day she slides a milkshake along the counter to a customer a bit too fast and it sails out the open window. It crashes to the ground 30 m below, traveling 20 m horizontally after leaving the counter. what was the horizontal velocity when it left the counter? what was the vertical

A car of mass m where wheelbase L is to be designed as an oversteer vehicle with a critical speed of V. This is to be done by adjusting the center of mass location. Given that the cornering stiffnesses at the axles are Cf and Cr calculate the center of mass location (Lf Lr) as a function of M, L, Vc Cf and Cr. What would be this center of mass

If the plane's engines are known to deliver 9.20 MW of power, how much energy was lost to thermal energy during this takeoff scenario?

A crane lifts a 425 kg steel beam vertically upward a distance of 95 m. How much work does the crane do on the beam if the beam accelerates upward at 1.8 m/s2? Neglect frictional forces.

A wire is strung taut between two poles. The wire is plucked and it is determined that the wave speed is 10 m/s. The tension in the wire is then increased by 30%. By how much does the wave speed change?

A ball is thrown straight up into the air at 20 m/s. How high does it reach, and how long is it in the air before it hits the ground? Assume the ball leaves the person's hand 1 m off the ground, and recall that gravitational acceleration is around 10 m/s.

Two concurrent forces have a maximum resultant of 45 newtons and a minimum resultant of 5 newtons. What is the magnitude of each of these forces?

An Alaskan rescue plane drops a package of emergency rations to a stranded hiker. The plane is traveling horizontally at 40.0 m/s at a height of 1.00x10 m above the ground. (a) Where does the package strike the ground relative to the point at which it was released? (b) What are the horizontal and vertical components of the velocity of the package

It takes 400 J of work to compress quasi-statically 0.8 moles of an ideal gas to one-fifth its volume. Calculate the temperature of the gas, assuming it remains constant during the compression. The universal gas constant is R = 8.31 J/(mol K). (37.384773439206 K)

If a ligament is stretched by 0.034m and has a stiffness constant of 10,000N/m, how much strain energy is produced?

A fast 1,000-kg car with a speed of 20 m/s is brought to a stop using its brakes and all the kinetic energy of the car transfers into heat due to friction. About 50% of all the heat is absorbed by a total of approximately 10 kg of brake pads made of iron. How much will the temperature of the brake pads increase? The specific heat capacity of iron

A truck, drags a 350 kg light pole 35.0 m across a level grassy field at constant speed in preparation to erect it. If the chain connecting the truck and the pole is 20.0 degrees above the horizontal, and the tension in the chain measures 1250 N, what work is done by friction during this pull?

A 1200 kg automobile is traveling at 20.5 m/s. The driver brakes to a stop at a stoplight over a distance of 520 m. How much work is done by the brakes on the car?

The two masses m 4kg and m are connected by a massless string passing through a massless pulley as shown in the figure below. If the system is released from rest when m is on the ground and my is h 4, 1 m above the ground, m hits the ground with a speed of U 4ms. Determine the mass of m .Take g 9.8ms and express your answe in units of kg using

A heat engine takes 6.0 moles of an ideal gas through the reversible cycle abca , on the pV diagram, as shown. The path bc is an isothermal process. The temperature at c is 790 K, and the volumes at a and c are 0.03 m 3 and 0.15 m 3 , respectively. The molar heat capacity at constant volume, of the gas, is 26 J/mol K. In this figure, for the path

PA 0.03 m3 790 K C 0.15 m3

A steel bar 10.0cm long is welded end to end to a copper bar 20.0cm long. Each bar has a square cross section, 2.00cm on a side. The free end of the steel bar is kept at 100c by placing it in contact with steam, and the free end of the copper bar is kept at 0c by placing it in contact with ice. Both bars are perfectly insulated on their sides.

A metallic ball with mass M=1 kg and density d=10 kg/L is in water. The density of water is w=1 kg/L. The ball is hanging from the ceiling above the water container with a spring with spring constant k=1 N/m. a) If the ball is stationary, what should be the elongation of spring from its unstarched position? b) If the ball is moved upward to the

A styrofoam cooler has total wall area (including lid) of 0.80m 2 and wall thickness of 2.0cm. It is filled with ice, water, and a cola, all at 0 C. What is the rate of heat flow into the cooler if the temperature is 3 0 C outside. k=0.027W/m K. How much of the ice melts in three hours?

A uniform plank 8.00 m in length with mass 75.0 kg is supported at two points located 1.00 m and 5.00 m , respectively, from the left-hand end. What is the maximum additional mass you could place on the right-hand end of the plank and have the plank still be at rest?

What are the three smallest thicknesses of a soap bubble capable of producing reflective destructive interference for light with a wavelength of 545 nm in air? n=1.33 .

Gravitational acceleration close to the surface of the earth is g10 ms. 1 A boy is standing distance d5 m away from edge of a hill as shown in the figure. The height of the hill is H1 m. The boy kicks a ball towards the hill with initial speed v500 ms and with angle A45 degrees from horizon. a) What is the time it takes for the ball to reach the

A police cars siren emits a sound wave of 319-Hz frequency. The speed of sound is taken to be 340 m/s and the air is still. The siren is moving away from the listener with a speed of 43 - m/s relative to the air, and the listener is moving toward the siren with a speed of 52 - m/s relative to the air. What frequency (Hz) does the listener hear?

It takes 25N of force to compress a very light spring 19cm. The spring is placed parallel to a table and its ends are firmly attached to the wall and to a 210-g wood block . The coefficient of kinetic friction between the block and the table is 0.31 . The spring is compressed a second time to 19cm and then released from rest. How far beyond its

A 5 kg block, an inclined plane with an angle of 53, and uk 0.5 are present. Attached to the bottom of the inclined lane, the massless spring with a force constant of k 300 Nm is initially not stretched. The block has an initial speed of vo as it slides down the incline, and there is an initial L 40 cm gap between it and the spring. The spring

1. The top speed of a Utahraptor is about 9m/s. How long would it take a Utahraptor to run 1500m if it accelerates from rest to 9m/s ? Assume acceleration is constant and it reaches its top speed at exactly 1500m from its starting point. 2. A roller coaster designer wants their coaster to go from 0m/s to 30m/s in 6.6 seconds. What is the length of

Consider the motion of a projectile in the vertical plane, assume that the ground is a horizontal plane and the gravitational acceleration is 9.8m/s2 , and the atmospheric density is =1.29kg/m 3 . The mass of the projectile is 50kg, the drag coefficient CD=0.1, and the upwind cross-sectional area S=0.03m 2 . The initial velocity magnitude is

If the electric potential is V=5x 2 3yz. What is the magnitude of the field [V/m ) at the point P that has coordinates (1,1,1) ?

An insulating solid sphere of radius R=2 cm has a uniform positive volume charge density and total charge Q=2.510 11 C ? Find the potential (V) at a point r=1 cm ?

As shown in Figure A1, a light ray is incident normal to one face of a 306090 prism (n 1.50) that is immersed in water (n 1.33). Determine the exit angle 03. (a) Determine the exit angle 03. (b) Determine the critical angle for the prismwater system. Ng 60.0 Figure Al 30.0

An object executing SHM with an amplitude 20cm . Find the magnitude of its displacement (in cm when the value of its KE is equal to (1)/(12) th of its total energy. Write answer with 2 decimal places.

A 2kg block is initially held at rest on a wedge of 3 kg in mass, as shown in the figure below. 0 m (a) Assuming the wedge cannot move, if its slope is 030 and the coefficient of kinetic friction between the block and the wedge is K 0.1, what is the magnitude of acceleration of the block down the incline (b) What are the vertical and horizontal

The oil drop shown in Figure 24 is negatively charged and weighs 4.51015 N. The drop is suspended in an electric field intensity of 5.6x10 NC. a. What is the charge on the drop b. How many excess electrons does it carry 8.5x1015 N I

20 newtons 10 newtons 12 16 B. What is the time needed for the object to move from 820 meters A 0.50kg object moves in a straight line. The net force acting on the object varies with the objects displacement as shown above. The object starts from rest at the original location when 0. A. What is the acceleration of the object from 820 meters C. How

f The diagram shows a girl and a boy exerting a force to move a crate horizontally a distance of 24 m at a constant speed towards right. The girls applied force is 67 N at 22 degree below the horizontal. The tension in the rope pulled by boy is 67 N that is 32 degree above the horizontal. The force of friction is 22 N. Find the total work done (J)

An object executing SHM with an amplitude 23cm. Find the distance (in cm ) from the extreme position when the value of its KE is equal to its PE. Write answer with 2 decimal places.

Three charges A, B and C are placed at the locations of a circle as shown in figure 3. The circle has a diameter of 1.5m. a) If QA 35C, QB 50 C and Qc 25 C, calculate the force exerted in magnitude and direction by the charges at B and C on the charge placed at A. 45 C Figure 3 B 12 marks b) In the arrangement shown in Figure 3, calculate the

A simple harmonic oscillator has a velocity of 11m/s at a position of 0.2m from the equilibrium position. What is is its amplitude (in m ) of oscillation if the time period is 9s ? Write answer with 2 decimal places.