8. FIGURE 2 shows trolley A of mass 2.5 kg moves at constant velocity 3.0 m s¹ collides with trolley B of mass 3.0 kg which is at rest. After the collision, trolley A moves in the opposite direction at constant velocity 2.0 m s¹ while trolley B moves at constant velocity and hits a wall. The wall exerts an impulse of 18.0 N s on trolley B. Calculate i) the velocity of trolley B after the collision with trolley A. [ 4.17 m s¹¹] the velocity of trolley B after it hits the wall. [-1.83 m s¹¹] ii) Wall B FIGURE 2 3.0 m sl A 9. An object P moving with velocity 3 m s¹ collides head-on with another object Q of mass 6 kg moving with velocity 5 m s¹ in the opposite direction. If both object stick together after collision and the final velocity is 2.5 m s¹, calculate the mass of object P. [90 kg]
8. FIGURE 2 shows trolley A of mass 2.5 kg moves at constant velocity 3.0 m s¹ collides with trolley B of mass 3.0 kg which is at rest. After the collision, trolley A moves in the opposite direction at constant velocity 2.0 m s¹ while trolley B moves at constant velocity and hits a wall. The wall exerts an impulse of 18.0 N s on trolley B. Calculate i) the velocity of trolley B after the collision with trolley A. [ 4.17 m s¹¹] the velocity of trolley B after it hits the wall. [-1.83 m s¹¹] ii) Wall B FIGURE 2 3.0 m sl A 9. An object P moving with velocity 3 m s¹ collides head-on with another object Q of mass 6 kg moving with velocity 5 m s¹ in the opposite direction. If both object stick together after collision and the final velocity is 2.5 m s¹, calculate the mass of object P. [90 kg]
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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