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kobusy [5.1K]
2 years ago
14

Determine whether a moving tennis ball and a racket held by the player have the same momentum or different momentum. If differen

t, determine which object has more momentum.
Physics
1 answer:
NikAS [45]2 years ago
5 0

Answer:

key points:1.momentum and impulse

2.condition for conservation of momentum and why

3.how to solve collision problems

4.centre of mass

Explanation:

momentum is a vector

force of a tennis ball

for a top player,a tennis ball may leave the racket on the with a speed of 55m/s(about 120mi/h).if the ball has a mass of 0.060kg and is in contact with the racket for about 4ms(4×10)s.estimate the average force on the ball

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2 years ago
Two children hang by their hands from the same tree branch. the branch is straight, and grows out from the tree trunk at an angl
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