klrocha628 klrocha628
  • 02-07-2021
  • Physics
contestada

1.8kg 42J 9.8 how high is the shelf

Respuesta :

kushm6652 kushm6652
  • 02-07-2021

Answer:

2.38m

Explanation:

Use potential energy

PE= mgh

42= 1.8*9.8*h

solve for h

to get h= 2.38 m

Answer Link

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