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5/32 MCQs for:
Linear Momentum
A 50-kg pitching machine (excluding the baseball) is placed on a frozen pond. The machine fires a 0.40-kg baseball with a speed of 35 m/s in the horizontal direction. What is the recoil speed of the pitching machine? (Assume negligible friction.)
Consider two unequal masses, M and m. Which of the following statements is false?
A 0.060-kg tennis ball, initially moving at a speed of 12 m/s, is struck by a racket causing it to rebound in the opposite direction at a speed of 18 m/s. What is the change in momentum of the ball?
Two objects collide and stick together. Kinetic energy:
Two objects collide and bounce off each other. Linear momentum: