Question #102818

A ball is dropped from rest from a height of 10.0 m. Calculate:

a) The time it takes to hit the ground and the speed with which it reaches it.

b) The speed it has right after the first boat, if with the rebound it loses 20% of the initial speed.

c) The maximum height of the second boat.

a) The time it takes to hit the ground and the speed with which it reaches it.

b) The speed it has right after the first boat, if with the rebound it loses 20% of the initial speed.

c) The maximum height of the second boat.

Expert's answer

a)

"v=\\sqrt{2gh}=\\sqrt{2(9.8)(10)}=14\\frac{m}{s}"

b)

c)

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Assignment Expert13.02.20, 15:48Dear Raphael Kyeremeh, You're welcome. We are glad to be helpful. If you liked our service please press like-button beside answer field. Thank you!

Raphael Kyeremeh12.02.20, 18:58Thanks for helping me.

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