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If a pump is capable of lifting 5000kg of water through a vertical height of...

Physics
JAMB 2013
If a pump is capable of lifting 5000kg of water through a vertical height of 60m in 15 min, the power of the pump is
  • A. 2.2.5 x 10 5js-1
  • B. 2.5 x 104js-1
  • C. 3.3 x 103js-1
  • D. 3.3 x 102js-1
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Correct Answer: Option C
Explanation
P = \(\frac{mgh}{t}\)

P = \(\frac{5000 \times 10 \times 60}{(15 \times 60)s}\)

P = 3333.3333

P = 3.3 x 103js-1

There is an explanation video available below.

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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
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Explanation Video

WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts