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A 2.00 kg frictionless block is attached to a horizontal spring as shown. At t = 0, the position x = 0.225 m, and the velocity is 4.25 m/s toward the right in the positive x direction. Position x as a function of t is: x = A*cos(?t ) , where A is the amplitude of motion and ? is the angular frequency discussed Chapter 11 and the notes. ? (a) What is the spring constant k? (b) Use conservation of energy to compute amplitude A.?(c) How much farther from the point shown will the block move before it momentarily comes to rest before turning around? (d) What is the period T of the motion? (e) If the mass of this problem was doubled to 4.00 kg, how would your answer to part (d ) change?
A particle moves along the x axis. It is initially at the position 0.130 m, moving with velocity 0.190 m/s and acceleration -0.330 m/s2. FIND the position of the particle after this time
You take a set of measurements for the wavelengths and frequencies of standing waves on a string that is under a tension of 1.96 N. What is the linear mass density of the string
A ball of mass 1.020 g and positive charge q =45.2 microC is suspended on a string of negligible mass in a uniform electric field. We view that the ball hangs at an angle of theta=15.0 from the vertical. What is the magnitude of the electric field.
A capacitor consists of a set of two parallel plates of area A separated by a distance d. find the magnitude of the charge on the plates
Consider the same situation, but now let the initial speed v_0 of first ball be given and treat the height h of the building as an unknown. What should the height of the building be for both balls to reach the ground at the equivalent time for v_0..
A light rope is attached to a block with mass 4.00 kg that rests on a frictionless horizontal surface. Find the mass m of the hanging block
The longest recorded pass in an NFL game traveled 83 yards in the air from the quarterback to the receiver. find the speed at which the ball left the quarterback's hand
what is the acceleration of the wallet. If the contact between ball and ground lasted 1.6ms, what average force was exerted on ball.
A gyroscope is precessing about a vertical axis. Describe what happens to the precession angular speed if the angular speed of the spinning flywheel is doubled. (All other variables remaining the same.)
how much work is required to place q3 at (0,-3)? D) Calculate the electric potential energy of the group of three charges.
A 63kg sprinter, starting from rest, runs 45m in 7.0 s at constant acceleration. find the magnitude of the horizontal force acting on the sprinter
The electron beam inside a television picture tube is 0.300mm in diameter and carries a current of 55.0 uA. What is the current density in the electron beam
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