A 60 g tennis ball with an initial speed of 32 ms hits a, Ask an Expert

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Q. A 60 (g} tennis ball with an initial speed of 32 {m/s} hits a wall and rebounds with the same speed. The figure 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?

q. Three electrons form an equilateral triangle .9 nm on each side. A proton is at the center of the triangle. What is the potential energy of this group of charges?

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Category:- Physics
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