Question

13. It takes 20 s for a person A of mass 50 kg to climb
up the stairs, while another person B of same mass
does the same in 15 s. Compare the (i) work done.
and (ii) power developed by the persons A and B.
Ans, (i) 1:1 (ii) 3:​

Answer 1

Answer:

13. It takes 20 s for a person A of mass 50 kg to climb

up the stairs, while another person B of same mass

does the same in 15 s. Compare the (i) work done.

and (ii) power developed by the persons A and B.

Ans, (i) 1:1 (ii) 3:

Explanation:

work done is more