A 2-kilogram object falls 3 meters. a. How much potential energy did the object have before it fell? b. How much work was accomp

Question

avanturin [10]

3 years ago

15

A 2-kilogram object falls 3 meters. a. How much potential energy did the object have before it fell? b. How much work was accomp

lished by the fall

Physics

1 answer:

stiks02 [169] · Answer 1 · 2022-05-21T17:47:57+03:00

Below are the answers:

(a) Ep = mass x gravitational acceleration x height
= 2kg x 9.8ms-2 x 3m 
= 58.8J 

(b) F = mg 
= 2kg x 9.8ms-2 
= 19.6N 
W = Fd 
= 19.6N x 3m 
= 58.8J

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