What is the gravitational potential energy of a # 21 kg# object on a shelf # 5 m # high?

1 Answer
sjc
Jun 26, 2018

#1029J#

Explanation:

#GPE=mgh#

#m=#mass

#g=9.8ms^(-2)#

#h=#height above the standard position

here we ahve

#m=21kg#

#h=5m#

#:. GPE=21xx9.8xx5#

#GPE=1029J#

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