Question

10 12. If the speed of a vehicle increases by 2 m/s., its
kinetic energy is doubled. Then the original speed,
of the vehicle is-
(1) (V2+1)m/s
(2) V2m/s
(3) 2(√2+1) m/s
(4) √2 (√2 + 1 m/s​

Answer 1

Explanation:

answer 3 according to me some mistake in option