Question

Two army persons A and B each of weight of
5000 N climb up a rope through a height of
10m. A takes 20 s while B takes 40 s to
achieve this task. What is ratio of the
powers of person A and B?
a) 1:2
(b) 1:4
(c) 2:1
(d) 14:1

Answer 1

Answer:

Two army persons A and B each of weight of

5000 N climb up a rope through a height of

10m. A takes 20 s while B takes 40 s to

achieve this task. What is ratio of the

powers of person A and B?

a) 1:2

(b) 1:4

(c) 2:1

(d) 14:1

the correct answer is d