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An engine pumps water through a hose pipe. Water passes through the pipe and leaves it with a velocity of 2 m/s. The mass per unit length of water in the pipe is 100 kg/m. What is the power of the engine?
Options
(a) 400 W
(b) 200 W
(c) 100 W
(d) 800 W
Correct Answer:
800 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
- A beam of cathode rays is subjected to crossed Electric (E) and Magnetic fields (B)
- A circular disc X of radius R is made from an iron plate of thickness t and another disc
- An electric kettle takes 4A current at 220 V. How much time will it take to boil 1 kg
- A tuning fork vibrates with 2 beats in 0.04 second. The frequency of the fork is
- The angle of incidence at which reflected light is totally polarised for refraction
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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