Question

to change the energy of a body of 0.5 kg by 1 joule we will have to raise it to what height if g is equal to 10 m /s square​

Answer 1

Given: m = 0.5 kg and g = 10 m s-2.

Using the formula U = mgh, we get:

1.0 = 0.5 X 10 x h

Thus h = 1/5 = 0.2 m, Which is the required height