Answered

How much potential energy does a 40-N medicine ball gain when it is lifted 5 m? Select one:

A20 J
B100 J
C200 J
D1,000 J

Verified Answer :

olemakpadu

PE = mgh

Where  m= mass,  g = acceleration due to gravity, h = height

But here: mg = weight = 40N,  h = 5m

PE = (mg)h = 40 5 = 200 J    C.
 

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