If a man increase his speed by 2 m/s, his K.E. is doubled, the original speed of the man is

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.

An Intiative by Sri Chaitanya

(1+22) m/s

4 m/s

(2+22) m/s

(2+2) m/s

answer is C.

(Unlock A.I Detailed Solution for FREE)

Detailed Solution

Initial kinetic energy E=12mv2 …(i)Final kinetic energy 2E=12m(v+2)2 …(ii) by solving equation (i) and (ii) we get v=(2+22) m/s

Watch 3-min video & get full concept clarity