Solution: Find the impulse of the force (in kg-m/s) exerted on the ball by the racket

A tennis ball moving horizontally to the left at 40 m/s hits a racket and rebounds horizontally to the right at 30 m/s. If the mass of the ball is 100 grams, find the impulse of the force (in kg-m/s) exerted on the ball by the racket.

Find the impulse of the force (in kg-m/s) exerted on the ball by the racket

Problem Statement:

A tennis ball moving horizontally to the left at 40 m/s hits a racket and rebounds horizontally to the right at 30 m/s. If the mass of the ball is 100 grams, find the impulse of the force (in kg-m/s) exerted on the ball by the racket.

  • A. 1
  • B. -1
  • C. 7
  • D. 12

Problem Answer:

The impulse of the force exerted on the ball by the racket is 7 kg-m/s.

Solution:

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