Question

A child is standing still with a bundle of books of mass 5 kg 2. With the same bundle of books, she travels 1m along a plane surface with a speed 5 m/s 3. The bundle of books is lifted onto the top of a cupboard having 1m height (g=10m/s2)​

Answer 1

Answer:

. 0

2. 0

3. W = mg = 5 × 10 × 1 = 50