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A man weighing 60 kg climbs a staircase carrying a 20 kg load on his hand.The staircase has 20 steps and each steps has height of 20 cm.If he takes 20s to climb, his power is
Options
(a) 160 W
(b) 230 W
(c) 320 W
(d) 80 W
Correct Answer:
160 W
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Work Energy and Power
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In n-type semiconductor, electrons are majority charge carriers
- A missile is fired for maximum range with an initial velocity of 20 m/s
- A battery of e.m.f. E and internal resistance r is connected to an external resistance
- If the alternating current I=I₁ cosωt+I₂ sinωt, then the rms current is given by
- The distance of the closest approach of an alpha particle fired at a nucleus
Topics: Work Energy and Power (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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