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1. A 61.0 g tennis ball with an initial speed of 35.0 m/s hits a wall and reboun

ID: 1709118 • Letter: 1

Question

1. A 61.0 g tennis ball with an initial speed of 35.0 m/s hits a wall and rebounds with the same speed. The figure below shows the force of the wall on the ball during the collision. What is the value of Fmax, the maximum value of the contact force during the collision, if the force is applied for ti=12.0 ms?

2. A 4.15 kg object sliding on a frictionless surface breaks into two masses that are both equal to half of the original mass. The velocities of the masses are 2.82 m/s due north and 5.13 m/s, 30.4° north of east. Determine the original speed of the 4.15 kg mass.

i am stuck on these 2 numbers!! any help would be greatly appreciatedd!! =)

Explanation / Answer

got the answer!!

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