Question

The same book with a mass of 3 kg is now at rest on a bookshelf 5 meters above the ground. What is the book’s kinetic energy?

Answer 1

Answer:

0 J

Explanation:

Since the book is at rest then its velocity will be zero therefore

K.E=

$\frac{1}{2} m {v}^{2}$

since v=0

then

K.E= 0