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Chapter 11: Impulse and Momentum

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Pages: 261 - 293

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100 Questions for Chapter 11: Impulse and Momentum

  1. At what speed do a bicycle and its rider, with a combined mass of 100kg, have the same momentum as a 1500kg car traveling at 5.0m/s?

    Found on Page 286
  2. Rank in order, from largest to smallest, the momenta (px)ato (px)eof the objects in FIGURE Q11.1

    Found on Page 286
  3. Suppose a rubber ball collides head-on with a more massive steel ball traveling in the opposite direction with equal speed. Which ball, if either, receives the larger impulse? Explain.

    Found on Page 286
  4. A sled slides along a horizontal surface on which the coefficient of kinetic friction is 2.5. Its velocity at point Ais 8.0m/sand at point Bis 5.0m/s. Use the momentum principle to find how long the sled takes to travel from AtoB

    Found on Page 287
  5. Two particles collide, one of which was initially moving and the other initially at rest.

    Found on Page 286
  6. Far in space, where gravity is negligible, a 425kgrocket traveling at 75m/sfires its engines. FIGURE EX11.11 shows the thrust force as a function of time. The mass lost by the rocket during these 30sis negl

    Found on Page 287
  7. Two ice skaters, Paula and Ricardo, push off from each other. Ricardo weighs more than Paula.

    Found on Page 286
  8. A 600gair-track glider collides with a spring at one end of the track. FIGURE EX11.12 shows the glider’s velocity and the force exerted on the glider by the spring. How long is the glider in contact with the spring?

    Found on Page 287
  9. Two balls of clay of known masses hang from the ceiling on massless strings of equal length. They barely touch when both hang at rest. One ball is pulled back until its string is at 45°, then released. It swings down, collides with the second ball, and they stick together. To determine the angle to which the balls swing on the opposite side, would you invoke

    Found on Page 286
  10. A 250gball collides with a wall. FIGURE EX11.13 shows the ball’s velocity and the force exerted on the ball by the wall. What is vfx, the ball’s rebound velocity?

    Found on Page 287

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