graemerozario graemerozario

21-10-2020
Physics

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A book with a mass of 1kg is dropped from a height of 3m . What is the potential energy of th book when it reaches the floor?

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Shakurr Shakurr

21-10-2020

Answer:

30 J

Explanation:

height = 3 m

mass = 1kg

acceleration due to gravity = 10m/s²

Potential Energy = mass× gravity × height

= 1kg ×10m/s²× 3m

= 30 J

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