What is the gravitational potential energy of a # 7 kg# object on a shelf # 1/2 m # high?

1 Answer
Mar 22, 2018

Answer:

#34.3 \ "J"#

Explanation:

We find the gravitational potential energy by the equation, #"GPE"=mgh#.

So here,

#"GPE"=7 \ "kg"*9.8 \ "m/s"^2*1/2 \ "m"#

#=34.3 \ "J"#

Note that I have used the gravitational acceleration, #g=9.8 \ "m/s"^2#.