trajectory, this kinetic energy is converted into potential energy. When the ball falls back to the ground, the potential energy is converted back into kinetic energy. The total amount of energy in the system remains constant throughout this process

Do the entire questions:

One of the most fundamental principles of physics is the conservation of energy. This principle states that energy cannot be created or destroyed, but only transformed from one form to another. This means that the total amount of energy in a system remains constant over time. For example, when a ball is thrown into the air, it gains kinetic energy as it moves upward. As it reaches the top of its trajectory, this kinetic energy is converted into potential energy. When the ball falls back to the ground, the potential energy is converted back into kinetic energy. The total amount of energy in the system remains constant throughout this process

Another important principle of physics is the conservation of momentum. Momentum is a measure of the motion of an object and is defined as the product of an object's mass and its velocity. The conservation of momentum states that the total momentum of a closed system remains constant unless acted upon by an external force. This principle has wide-ranging applications, from the study of collisions to the behavior of particles in a magnetic field.

The principle of relativity is another key concept in physics. This principle states that the laws of physics are the same for all observers in uniform motion relative to one another. This means that there is no preferred frame of reference in the universe, and the laws of physics are the same regardless of where an observer is located. This principle has been confirmed by numerous experiments, including the famous Michelson-Morley experiment, and is a cornerstone of modern physics.

One of the most intriguing principles of physics is quantum mechanics. This branch of physics deals with the behavior of particles on the smallest scales, such as atoms and subatomic particles. According to quantum mechanics, particles can exist in multiple states at once, and their behavior is described by probabilities rather than definite outcomes. This principle has led to the development of numerous technologies, including the laser and the transistor, and has transformed our understanding of the natural world.

Finally, the principle of entropy is a fundamental concept in thermodynamics. Entropy is a measure of the disorder or randomness of a system, and the second law of thermodynamics states that the entropy of a closed system always increases over time. This means that energy is always moving from areas of higher concentration to areas of lower concentration, and that the universe as a whole is moving towards a state of maximum entropy or disorder.

In conclusion, the fundamental principles of physics provide us with a powerful framework for understanding the natural world. From the conservation of energy and momentum to the principles of relativity and quantum mechanics, these concepts have revolutionized our understanding of the universe and have led to countless technological advancements. By continuing to explore these principles, we can unlock new insights into the workings of the universe and continue to expand our knowledge of the natural world.

Motion Lab - AbstractYou will determine the horizontal distance travelled by

a horizontally launched projectile from a known height.

Objectives - After completing today's experiment, you will be able to:

• Describe in words from your experiences how the principles of projectile motion impact where a object flying through the air will land
• Relate your experiment to a USEFUL REAL WORLD APPLICATION (you can specify this in #4 below)
• Consider further analysis

Materials/Procedure/Data:Use video you recorded and measurement to gather data from your home setup - decide on the units you will use and

how you will record them.

Analysis: Use the principles of projectile motion to determine where to place your target using only the initial horizontal tabletop velocity you

calculated and the measured vertical height. Once you've done your calculation place your target accordingly, launch your projectile

(marble, gold ball, ....) and record where it lands. Calculate your % error ( you may find it will be more than 15%) between your

calculated prediction and where the projectile landed.

Conclusion:

Additional Questions to Answer (include these in the analysis section):

1. What are the key assumptions you need to make in conducting projectile motion problems?

NOTE: watch the bowling ball gun YouTube video first then answer it here is the link :

https://www.youtube.com/watch?v=CXdTKdEURCA

1. Abowling ball gunis fired horizontally at 248 m/s off a 192 m high cliff.
   1. Where does the bowling ball land?
   2. Where would a golf ball land? Why? Explain.
   3. What is the velocity at impact with the ground? Make sure to include the impact angle.

1. A baseball is thrown horizontally off the rooftop of a building - the ball strikes the ground with a velocity of 41.4 m/s [ E 54⁰down from the horizontal ].
   1. Find the height of the building.
   2. Determine where the ball landed.
   3. Was it a six-year-old child who threw the ball? Explain.

Watch thisvideo.here is the link :

https://www.youtube.com/watch?v=ui-xBeqBNi4

Think of two careers where the knowledge of projectile motion is important and explain how it is used in those areas.

NOTE for tutors :

1) dont use chatgpt other wise if I see anything I would give a bad rate and a report

2) watch the videos that I have the link on and answer the answers from the videos

\fAssignment 8 Sound (#1) kn-prob213.problem Due date: Tue Apr 11 1i:59:59 pm 2023 (EDT) (1) Two strings are adjusted to vibrate at exactly 331.0 Hz. Then the tension in one string is increased slightly. After ward, 37.00 beats per second are heard when the strings vi brate at the same time. What is the new frequency of the string that was tightened? : This 0/10 (#2) cjprob1733a.problem (2a) A string has a linear density of 8.5E3 kgfm and is under 263 N of tension. The string is 1.5 m long is xed at both ends and is vibrating in the standing wave pattern shown in the drawing. Determine the speed of the traveling waves that make up the standing wave. This 1'!le 'h'n (2b) What is the wavelength? : This 0/10 ith What is the frequency? This 1'!le (#3) knprob2142.problem (3) A heavy piece of hanging sculpture is suspended by a 92.4 cm long, 5.09 g steel wire. When the wind blows hard, the wire hums at its fundamental frequency of 62.4 Hz. What is the mass of the sculpture? I: This 1'!le (#4) knprob2152.problem (4) A 433cm long wire with a mass of 3.60g and a tension of 627.014 passes across the open end of an openclosed tube of air. The wire, which is xed at both ends, is bowed at the center so as to vibrate at its fundamental frequency and generate a sound wave. Then the tube length is adjusted until the fundamental frequency of the tube is heard. What is the length of the tube? (Assume v = 340.0mfs) sound This 1'!le (#5) sbprob1822.problem [5) A stretched wire vibrates in its fundamental mode at a fre quency of 450 Hz. What would be the fundamental frequency if the wire were half as long, its diameter were doubled, and its tension were decreased by a factor of two? [:1 This [if 10 [#} cjprob1702.problem [6) Two identical speakers, one directly behind the other, are generating a 392 Hz sound wave. What is the smallest separation distance between the speakers that will produce destructive interference at the position of a listener standing in front of them? The speed of sound in air is 343 mfs. :I This [if 10 [#7) sbprob1838a.problem (Ta) When a hollow metal pipe that is open at both ends is cut into two pieces, the lowest resonance frequency in one piece is 258 Hz and that for the other is 409 Hz. What lowest resonant frequency would have been produced by the original length of pipe? Assume the speed of sound in air is 345 m,v's. This [1le (Tb) How long was the original pipe? This [if 10 [#8) knprob2144.problem [3) A 102.3 g cord has an equilibrium length of 5.68 m. The cord is stretched horizontally to a length of 7.47 m, then vibrated at 23.2 Hz. This produces a standing wave with two antinodes. What is the sring constant of the cord? This Of 10 [#9) knprob2112a.problem [9a) A 134.7 cm long, 8.2? g string, fixed at both ends, oscil lates in its n = 3.00 mode with a frequency of 338.0 Hz and a maximum amplitude of 4.96 mm. What is the wavelength % This [U10 [le What is the tension in the string? This [U10 (#10) knprob2116a.prob em [10a] What is the longest wavelength for standing sound waves in a 134.8cm long tube that is open at both ends? This [1,310 [10b) What is the second longest wavelength? Data Acquisition Now you will take data and analyze it to extract the charge to lease ratio. In order to do so, the parameters of the Helmholtz coils need to be specied. Each coil contains N = 132 loops of wire, and each loop has a radius of R = 15.0 cm. The accompanying Excel template you will use already has these values as inputs, but this is where they come from. When you are ready to begin taking data. please follow these steps: 1. Download the accompanying Excel template from D2L and save it to the computer. 2. Set the voltage dial on the apparatus to 200 V and adjust the current until the diameter of the electron beam is 8.0 cm. Record the 1ralues of the voltage and the current in the appropriate elds in the template. 3. Increase the voltage by 30 V and adjust the current until the diameter of the electron beam is 8.0 cm. Record the values of the voltage and the current in the appropriate elds in the template. 4. Carry out this procedure for 4 more 30 V increments. always making sure that the diameter of the electron beam is 8.0 cm. and ll in the relevant elds of the Excel template. Name: Projectile Motion: Candy Launcher Report Analyze your video using Tracker (https://physlets.org/tracker/trackerJS/ ) - each group member is responsible for one video analysis. Screenshot image of your video with a tracked parabolic path. This is a sample. Delete this and add your own. Data Table This is a sample. Delete this and add your own. Columns mass A t (s) y (m) V, (m/s) V (m/s) 0.050 0.151 0.274 2.795 4.461 0.067 0.199 0.350 2.900 4.256 0.083 0.247 0.416 2.697 3.582 0.100 0.289 0.469 2.495 3.475 0.117 0.331 0.532 2.703 3.681 0.133 0.379 0.592 2.900 3.218 0.150 0.427 0.639 2.702 2.747 0.167 0.469 0.684 2.591 2.746 0.183 0.514 0.730 2.586 2.494 0.200 0.555 0.767 2.592 2.236 0.217 0.600 0.805 2.703 2.177 0.233 0.645 0.839 2.599 1.659 0.250 0.687 0.860 2.486 0.267 0.728 0.888 2.543 1.606 0.283 0.771 0.914 2.879 1.470 0.300 0.824 0.937 2.598 0.778 0.317 0.858 0.940 2.208 0.406 0.333 0.898 0.950 2.386 0.569 0.350 0.938 0.959 2.389 0.355 0.367 0.977 0.962 2.838 0.143 Graphs This is a sample. Delete this and add your own. mass A (t, x) mass A (t, y) 1.5 E 1.0 304 05 0 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55 0.60 0.65 0.70 0.75 0 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55 0.60 0.65 0.70 0.75An electron emitted by a surface made of Gold is observed with an energy of 10 eV. What was the energy of the electron in the Gold in eV'? The work function of Gold is 5.1 eV. \f1. Plug the photogate closest to the launcher into Digital Input 1 on the 850 Univers at Interface; Plug the other photogate into Digital Input 2. The second photogate is located at a distance of 0.1m away from the first photogate (The program calculates the initial speed by assuming the photogates are separated by 10.0 cm and dividing by the time the ball takes to travelhetween the two gates). 2. Plug the Time of Flight Accessory into Digital Input 3. I . 3. Place the projectile launcher close to your computer screen. Make sure a distance of about .' l a meter is clear on the tabletoor in the direction the ball will be red. I' 4. Using the attached plumb bob, adjust-the angle of the launcher to 0 launched horizontally from a height above the table). 5. Make sure to align the photogates' beam hole with the call. 6- Check to see that there is no one down range! Launch - _ ling straight upward on the string. Don't jerk. Observe where the ball hits the table. Tape a small piece of tape to the table to mark the spot. Tape a sheet of blank paper at the location where the ball landed. Place the Time of Flight Accessory. 7. Click on the Record button. . A square loop of wire is rotated at frequency 45 Hz in a magnetic field of 6 T. The length of one side of the square is 0.2 m. What is the amplitude of the voltage? Number The answer ahnulri he annura're tn 1% and have unit; nf V (la) What is the wavelength of a 1.02 MHz ultrasound wave travelling through aluminum? (the speed of sound in aluminum is 6420 m/s) Submit Answer Tries 0/10 (1b) What frequency of electromagnetic wave in vacuum would have the same wavelength as the ultrasound wave above? Submit Answer Tries 0/10 (2) A car driving along a highway at speed of 23.4 m/s strays onto the shoulder. Evenly spaced parallel grooves called rumble strips are carved into the pavement of the shoulder. Rolling over the rumble strips causes the cars wheels to oscillate up and down at a frequency of 68.0 Hz. How far apart are the centers of adjacent rumble-strip grooves? Submit Answer Tries 0/10(The component of Earth's magnetic field parallel to Earth's surface points north. Would ignoring this component of Earth's field tend to make your calculated values of e/m too large or too small when your coil field pointed north? Explain. What about the values you calculated when the coil field pointed south?) (The Earth's field mentioned above was determined in the Magnetic Deflection experiment. Its value is around 1x104T. Its direction is down and to the North. Its North component is approximately 2x10-ST. Explain whether or not neglect of this magnetic field component is a significant source of error. Be quantitative!) Uncertainties: (Discuss any other experimental uncertainties and try to determine if these would be sufficient to explain any remaining discrepancies between the accepted value and your calculated range of values.)Objective: To measure the ratio of the charge of an electron to its mass. Raw Data: (Report your observations about the direction of the magnetic field and the direction of the magnetic force on the electron beam. Specifically, when the field points to the geographic South, which way does the initial force point? What about when the field points to the North?) Coil Parameters: Number of turns N = 131 Outside diameter O.D. = 22 cm = 0.22 m Inside diameter I.D. = 20 cm = 0.20 m Tube Parameters: Distance between filament and plate d = 0.25 cm Radii of plate rings a = 2.0 cm, 1.5 cm, 1.0 cm, and 0.5 cm Coil Field Pointing to North Ring Radius Voltage Inner Current Outer Current a V lin lout (cm) (Volts) (Amps) Amps) 2.0 47 2.08 2.14 1.5 47 2.87 2.97 1.0 47 4.45 4.71 Coil Field Pointing to South Ring Radius Voltage Inner Current Outer Current a lin lout (cm) (Volts) (Amps) Amps) 2.0 73 2.66 2.75 1.5 73 3.61 3.78 1.0 48 4.44 4.71Question 15: Using your answer to Question 1'2T rearrange it to find an equation for a line Y = 1'va that can be plotted to nd e/m. \"that are Y, M', and X in terms of the physical parameters AV, T2, 32, and e/m? Question 16: The Excel template generates a plot of AV vs 32. Does your data form a line or a parabola? Which should it form and Why? Question 17: The generated graph also contains a best t line. Which t parameter is related to e/m? Question 18: How can you calculate the ratio ef m from this t parameter? Question 19: What is the predicted value for the clectron's charge-towniass ratio= c/m, based on the accepted values 6 = 11302 x 1019 C and m = 9.11 x 1031 kg? Question 20: What is your experimentally determined value for efm? How does this compare to the accepted value? Express your answer as a percent difference % diff = {aimig\"(in)\": X 100%, where (e1)mp is your experimental value and [cf-rah\" is the accepted value. e/m for the Electron 5 Wiring Schematics DC DC Focusing Acceleration DMM Voltage Supply Voltage Supply field filament grid AC Filament Voltage e/m Tube Supply (~6 V) filament plate field (See Below) A field Helmholtz Coils Current Supply e/m Tube field(3) A snapshot graph of a travelling wave is shown. The wave is travelling to the right at 15.5 m/s. [Mum max 7777 7 ~7 7 \\lllll Snapshot gmpli .ll / l) \\ (3a) What is the amplitude if the maximum displacement from zero is 23.7 cm and the total length of the wave shown on the graph is 35.5 m? Tries 0/10 (3b) What is the wavelength of the wave? :] Tries 0/10 (3c) What is the frequency of the wave? :} Tries 0/10 0 3 (4a) A transverse wave is formed on a long skipping rope. The equation of the transverse wave is y = 4.86 sin(0.042n x+5.28n t) where x and y are in centimeters, t is in seconds, and n is pi (3.14...). (a)Find the amplitude of the wave. :} Tries 0/10 (4b) What is the wavelength of the transverse wave? :] Tries 0/10 (4c) Find the frequency of the wave. :} Tries 0/10 (4d) Calculate the speed of the wave. ll Name: Calculate: The velocity YOur catapult projects the gummy bear. Individual Reflection 1. In building your catapult, what are some problems or complications that you had to resolve. 2. How well did your group work together to build the catapult and revise the design