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How many Joules of potential does 1 kg book gain when elevated 4m? when it is elevated 8m?
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4 votes
How many Joules of potential

does 1 kg book gain when
elevated 4m? when it is
elevated 8m?

User Nick Holt
by
5.0k points

2 Answers

2 votes

Answer:

80 J

Step-by-step explanation:

PE= 1 N x 4 m = 40 J. At 8 m the PE = 80 J.

User Lyosef
by
4.7k points
3 votes

Answer:

40 j, 80j.

Step-by-step explanation:

P.E= mgh. G=10 m/s².

For 4m, P.E=1*10*4=40 joules.

For 8m, P.E=1*10*8=80 joules.

User Iftikharyk
by
5.5k points
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