Question

Two army persons A and B each of weight of 500 N climb up a rope through a height of 10 m. A takes 20 s while B takes 40 s to achieve this task. What is ratio of the powers of person A and B?​

Answer 1

Answer:

(2) Numerical value of the physical quantity is

directly proportional to the unit of physical

quantity

(3) Numerical constant can be deduced by the

method of dimensions

(4) A number

Explanation:

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