Question

the potential energy of a body of mass 0.5 kg increases by 100j when it is taken to the top of a tower from ground.if the force of gravity on 1kg is 10newton,what is the height of the tower? step by step answer please​

Answer 1

Answer:

Solution-

Mass of body M=0.5kg

Potential energy P.E=100J

Force of gravity on 1 kg is 10 N

Now,

F=mg

10=1×g

g=10m/s

2

Now, change in Potential energy

=mg(h

2

−h

1

)

=mg(h−0)

=mgh

Now, the height is

100=mgh

h=

0.5×10

100

h=20m

Hence, the height of the tower is 20 m