Is it possible for a physical system to experience a zero net displacement without being at rest?
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Is it possible for a physical system to experience a zero net displacement without being at rest?
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- Please help me answer thisA 0.27 kg particle moves in an xy plane according to x(t) = - 11+2 t-6 t³ and y(t) = 17 + 7 t - 9 t², with x and y in meters and t in seconds. At t = 1.0 s, what are (a) the magnitude and (b) the angle (within (-180°, 180°] interval relative to the positive direction of the x axis) of the net force on the particle, and (c) what is the angle of the particle's direction of travel?True or False? Consider carts colliding on a straight level track. It is impossible for two identical carts moving at different speeds to collide and stick together and end up not moving.
- Two people, one of mass 100 kg and the other of mass 50 kg, stand facing each other on an ice-covered (essentially frictionless) pond. If the heavier person pushes on the lighter one with a force F, then A. the force felt by the heavier person is (-1/2)FB. the force felt by the person is -2FC. the magnitude of the acceleration of the lighter person will be half of the magnitude of the acceleration of the heavier personD. the magnitude of the acceleration of the lighter person will be twice the magnitude of the acceleration of the heavier personwww.crackap.com ---------------------2e7) Two manned satellites approaching one another, at a relative speed of 0.550 m/s, intending to dock. The first has a mass of 5.00 ✕ 103 kg, and the second a mass of 7.50 ✕ 103 kg. (a) Calculate the final velocity (after docking) in m/s by using the frame of reference in which the first satellite was originally at rest. (Assume the second satellite moves in the positive direction. Include the sign of the value in your answer.) _____m/s (b) What is the loss of kinetic energy (in J) in this inelastic collision? _____ J (c) Repeat both parts by using the frame of reference in which the second satellite was originally at rest. final velocity (m/s) _____ m/s loss of kinetic energy (J) _____ J Explain in detail why the change in velocity is different in the two frames, whereas the change in kinetic energy is the same in both.
- 7) Two manned satellites approaching one another, at a relative speed of 0.550 m/s, intending to dock. The first has a mass of 5.00 ✕ 103 kg, and the second a mass of 7.50 ✕ 103 kg. (a) Calculate the final velocity (after docking) in m/s by using the frame of reference in which the first satellite was originally at rest. (Assume the second satellite moves in the positive direction. Include the sign of the value in your answer.) _____m/s (b) What is the loss of kinetic energy (in J) in this inelastic collision? _____ J (c) Repeat both parts by using the frame of reference in which the second satellite was originally at rest. final velocity (m/s) _____ m/s loss of kinetic energy (J) _____ J Explain in detail why the change in velocity is different in the two frames, whereas the change in kinetic energy is the same in both.*12-116. The automobile is originally at rest s = 0. If it then starts to increase its speed at v = (0.05t²) ft/s² , where t is in seconds, de- termine the magnitudes of its velocity and acceleration at s = 550ft.Two manned satellites approaching one another at a relative speed of 0.300 m/s intend to dock. The first has a mass of 2.50 ✕ 103 kg, and the second a mass of 7.50 ✕ 103 kg. Assume that the positive direction is directed from the second satellite towards the first satellite. (a) Calculate the final velocity after docking, in the frame of reference in which the first satellite was originally at rest.