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QNEET-2013-Ph-1602: NEET 2013 Physics - Class 11 NEET-2013-Ph-1602 Solution: One coolie takes 1 minute to raise a suitcase through a height…
One coolie takes 1 minute to raise a suitcase through a height of 2 m but the second coolie takes 30 s to raise the same suitcase to the same height. The powers of two coolies are in the ratio 1:3 2:1 3:1 1:2
Multiple Choice Options
- A 1:03
- B 2:01
- C 3:01
- D 1:02
Step-by-Step Verified Solution
Power, ( p ) = W o r k d o n e T i m e t a k e n
Here work done (= mgh) is same in both cases.
_ P 1 P 2 = t 2 t 1 = 30 s 1 min = 30 s 60 s = 1 2