emmask08 emmask08

13-03-2022
Physics

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What is the gravitational potential energy of the tennis ball at position A?

Will give brainliest!

What is the gravitational potential energy of the tennis ball at position A Will give brainliest class=

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quitestudious quitestudious

13-03-2022

kinetic energy = gravitational potential energy

In other words:

KE = Ug
(1/2)mv^2 = mgh

The “m” variable cancels out on either side:

(1/2)v^2 = gh

(1/2)(5)^2 = (9.8)h

h = 1.28 m

Therefore, since Ug = mgh:

(0.058)(9.8)(1.28) = 0.72 J

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