Question
Physics Question on Relative Velocity
A body of mass (5±0.5) kg is moving with a velocity of (20 ±0.4) m/s. Its kinetic energy will be
A
(1000 ± 0.14) J
B
(1000 ± 140) J
C
(500 ± 0.14) J
D
(500 ± 140) J
Answer
(1000 ± 140) J
Explanation
Solution
The correct option is(B): (1000 ± 140) J