Question

A man does a given amount of work in 10 sec. Another man does the same amount of work in 20 sec. The ratio of the output power of first man to the second man is
A. 2/1
B. 1/2
C. 1
D. 4/1​

Answer 1

Answer:

Correct option is(A) 2/1

Explanation:

Solution :

Power=

t

W

. if W is constant then P∝

t

1

i.e.

P

2

P

1

=

t

1

t

2

=

10

20

=

1

2

Answer 2

A (2/1) this is only the answer