Question

While running, a person dissipates about 0.6 J of
mechanical energy per step per kg of body mass. If a
60 kg person develops a power of 70 W during the
race, then the running speed of person is [Take a
running step to be 1.5 m long] :
(A) 2.92 m/s (B) 8 m/s
(C) 3.45 m/s (D) 2.84 m/s​

Answer 1

Answer:2.92m/s

Explanation:

The answer is explained below!!