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I hold my 2 kg pillow out of a 20 m window above the ground. Then, I let it go What is the pillow's gravitational

I hold my 2 kg pillow out of a 20 m window above the ground. Then, I let it go

What is the pillow's gravitational potential energy before I let go?

What is the pillow's kinetic energy before I let go?

What is the pillow's gravitational potential energy right before it hits the ground?

What is the pillow's kinetic energy right before it hits the ground (assuming no energy is lost to friction)?

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