Question

it takes 20s for a person a to climb up the stairs while another person b does the same in 45 s and both having the same mass. find ratio of work and power done. (A:B) ​

Answer 1

Explanation:

ANSWER

(1). For work done: work does not depend on time so work will be same for both.

W

2

W

1

=

1

1

W

1

:W

2

::1:1

(2). Power spent will be time dependent

P=

t

W

P

2

P

1

∝

t

1

t

2

⇒P

1

:P

2

::3:4

Answer 2

Answer:

I don't know b but I also want this answer cuz I have same problem