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18-04-2021
Mathematics

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An engine raises 120kg of water through a height of 40m in 30s what is the power of the engine?(g=10m/s2

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Аноним Аноним

18-04-2021

Answer:

4800J/s

Step-by-step explanation:

m = 120kg

H = 40m

t = 30sec

Input energy = 120 × g × H = mgn

Ei = 120 × 40 × 30 = 144000J

Energy per sec, E1 = 144000 ÷ 30 = 4800J/s

Power input = 4800J/s

Answer Link

18-04-2021

Answer:

4800J/s

Step-by-step explanation:

good luck have a nice day

Answer Link

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