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please answer it correctly and in an organized way. A 0.30 kg object connected to a light spring with a force constant of 24.4 N/m
please answer it correctly and in an organized way.
A 0.30 kg object connected to a light spring with a force constant of 24.4 N/m oscillates on a frictionless horizontal surface. If the spring is compressed 4.0 cm and released from rest. (a) Determine the maximum speed of the object. E x Your response differs from the correct answer by more than 10%. Double check your calculations. cm/s (b) Determine the speed of the object when the spring is compressed 1.5 cm. E x Your response differs from the correct answer by more than 10%. Double check your calculations. cm/s (c) Determine the speed of the object when the spring is stretched 1.5 cm. E x Your response differs from the correct answer by more than 10%. Double check your calculations. cm/s (d) For what value of x does the speed equal one-half the maximum speed? :lx Your response differs from the correct answer by more than 10%. Double check your calculations. cm A.spring.stretches 4.0 cm when a 12 g object is hung from it. The object is replaced with a block of mass 25 g that oscillates in simple harmonic motion, calculate the period of motion. EX Enter a number. differs from the correct answer by more than 10%. Double check your calculations. sA wave traveling in the positive x-direction has a frequency of 24.0 Hz as in Figure P13.37. 7 18.0 cm _l i 10.0 cm Figure P13.37 (a) Find the amplitude. y cm (b) Find the wavelength. 4 cm (c) Find the period. X Your response differs from the correct answer by more than 10%. Double check your calculations. 5 (d) Find the speed of the wave. X Your response differs from the correct answer by more than 10%. Double check your calculations. m/s Ocean waves are traveling to the east at 4.8 m/s with a distance of 24 m between crests. (a) With what frequency do the waves hit the front of a boat when the boat is at anchor? / Hz (b) With what frequency do the waves hit the front of a boat when the boat is moving westward at 1.1 m/s? -x Your response differs from the correct answer by more than 10%. Double check your calculations. Hz Tension is maintained in a string as in Figure P13.49. The observed wave speed is 21 m/s when the suspended mass is 3.0 kg. EH: Figure P13.49 (a) What is the mass per unit length of the string? kg/m (b) What is the wave speed when the suspended mass is 2.3 kg? m/s Transverse waves with a speed of 45.0 m/s are to be produced on a stretched string. A 5.25 m length of string with a total mass of 0.0600 kg is used. (a) What is the required tension in the string? X Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. N (b) Calculate the wave speed in the string if the tension is 8.00 N. X Your response differs from the correct answer by more than 10%. Double check your calculations. m/s A block of mass m = 0.67 kg attached to a spring with force constant 117 N/m is free to move on a frictionless, horizontal surface as in the figure below. The block is released from rest after the spring is stretched a distance A = 0.13 m. (Indicate the direction with the sign of your answer. Assume that the positive direction is to the right.) (a) At that instant, find the force on the block. X The response you submitted has the wrong sign. N (b) At that instant, nd its acceleration. X The response you submitted has the wrong sign. m/s2 A 0.57-kg object connected to a light spring with a force constant of 19.2 N/m oscillates on a frictionless horizontal surface. The spring is compressed 4.0 cm and released from rest. (a) Determine the maximum speed of the object. :l x Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. m/s ..(b).Del:e.r.mine the speed of the object when the spring is compressed 1.5 cm. differs from the correct answer by more than 100%. m/s (c) Determine the speed of the object as it passes the point 1.5 cm from the equilibrium position. E m (d) For what value of X does the speed equal one-half the maximum speed? :an A horizontal spring attached to a wall has a force constant of k = 820 N/m. A block of mass m = 1.70 kg is attached to the spring and rests on a frictionless, horizontal surface as in the figure below. m x =0 x= x:/2 x = x; (a) The block is pulled to a position x; = 5.80 cm from equilibrium and released. Find the potential energy stored in the spring when the block is 5.80 cm from equilibrium. J (b) Find the speed of the block as it passes through the equilibrium position. m/s (c) What is the speed of the block when it is at a position x /2 = 2.90 cm? m/sA certain tuning fork vibrates at a frequency of 176 Hz while each tip of its two prongs has an amplitude of 0.810 mm. (a) What is the period of this motion? I: (b) Find the I: ms wavelength of the sound produced by the vibrating fork, taking the speed of sound in air to be 343 m/s. m A man enters a tall tower, needing to know its height. He notes that a long pendulum extends from the ceiling almost to the floor and that its period is 19.0 s. (a) How tall is the tower? m (b) If this pendulum is taken to the Moon, where the free-fall acceleration is 1.67 m/sz, what is the period there? 5 A circus performer stretches a tightrope between two towers. He strikes one end of the rope and sends a wave along it toward the other tower. He notes that it takes the wave 0.775 s to reach the opposite tower, 20.0 m away. If a 1 meter length of the rope has a mass of 0.355 kg, find the tension in the tightrope. :iNStep by Step Solution
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