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

Otras preguntas

The height of a rectangular prism with a 20 cm by 12 cm base and a 30 cm diagonal.find the unknown dimension
which state of matter has the least amount of energy?
The value square root of 53 of lies between which two consecutive integers?
Explain how a species can evolve through natural selection.
An airplane travels 3,260 kilometers in 4 hours. What is the airplane’s average speed?
Why was is difficult for the Arab people to form one nation?
Determine whether the sequence coverage or diverges. If it converges, give the limit. 48, 8, 4/3, 2/9, ...
How did scientists discover the common structure of cells?
The length of a diagonal of a cube with edge length 25cm
which factor made the most difference in how agriculture affected the economies of the colonies?