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A 40 kg dog is sitting on top of a hillside and has a potential energy of 1,568 J. What is the height of the hillside?

A 40 kg dog is sitting on top of a hillside and has a potential energy of 1,568 J. What is the height of the hillside?
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1 vote
A 40 kg dog is sitting on top of a hillside and has a potential energy of 1,568 J. What is the height of the hillside?

User Divergio
by
8.2k points

2 Answers

7 votes

Answer:

B) 4.0m

Step-by-step explanation:

User Ganesh Tikone
by
8.2k points
1 vote

Potential energy = (mass) x (gravity) x (height)

1,568 J = (40 kg) x (9.8 m/s²) x (height)

Divide each side
by 392 Newtons: Height = (1,568 N-m) / 392 N

= 4 meters .
User Pedro Arantes
by
8.3k points
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