Question

A man weighing 60 kg runs with a speed of 5 m/s to catch a bus. ( g = 10 m/s2 ) [3] Find:
(i)
(ii)
The kinetic energy gained by the man.
The potential energy of this man when he climbs to a top of a hill at a height 70 m.
(i) Name two factors which determine the magnitude of potential energy. [4] (ii) When a body falls from a height, does its potential energy increase or decrease? Give a
reason to support your answer.

Answer 1

Answer:

1.750 joule

2. 42000 joule

Explanation:

in second question=

1. height,mass

2. decreases