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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 the Bohr’s model of hydrogen atom, the ratio of the kinetic energy to the total
- When a light beam of frequency v is incident on a metal surface,
- The parallel beams of monochromatic light of wavelength 4.5 x10⁻⁷ m passes through
- A mass m moves in a circle on a smooth horizontal plane with velocity v₀
- If vₑ is escape velocity and vₙ is orbital velocity of a satellite
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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