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Solve the all parts of following problem:
Problem: A diver springs vertically upwards from a 4.5-m board with an initial speed of 4.2 m/s.
Part A: What is the maximum height that she reaches above the water?
Part B: What is her acceleration when she is at this maximum height?
I need expert help to solve the above problem. Thanks.
A tennis player swings her 1000g racket with a speed of 12m/s . She hits a 60g tennis ball that was approaching her at a speed of 17m/s. what is the average force that the racket exerts on the ball
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