find power of motor which lift 4 kg water to height of 2m in 10 sec please answer it in correct way
Answers
Answered by
0
Answer:
Force=m×g
F=500×10=5000N
Work=F×s
W=5000×80=4×10
5
joule.
Power=work/time
P=4×10
5
/10=4×10
4
=40kW.
Power Rating=Useful power/ efficiency
Power Rating = 40k/0.4=100kW
Answered by
0
Answer:
8/13 WATT
Explanation:
Power=workdone/time
Workdone = mgh = 4×10×2 = 80 JOULE
Power = 80 / 130sec = 8/13 watt
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