What type of energy weightlifter used to lift weight?
a) Kinetic
b) chemical
c) potential
d) electrical
Explanation: the stored chemical energy in food enables a weightlifter to lift the barbell over her head.
Mass Energy Equivalence:
The relation of mass energy equivalence is given by……..
a) Newton
b) Galileo
c) Archimedes’
d) Einstein
Explanation: Energy = mass x the speed of light squared
Explanation:
c = the speed
of light( measured in meters per second, m/s)