Answer:

P.E = mgh

given : height=?

mass = 50kg

energy = 490 joules( J )

g=9.8m/s

Find=height.

Applying P.E formula

P.E =mgh

490=50×9.8×h

490=490×h

h=490/490

h= 1

height =1 m .

Answer:

above. one answer is correct credit goes to him or her only good morning