What would be the time taken by a machine rated 600 W to do 96 kJ of work?
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0
so,time=(96/600)hr
= .16hr
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8
Answer:
- 2 min & 40 sec or 160 sec.
Explanation:
We have,
- Power (P) = 600 W
- Work (W) = 96 kJ = 96000 J
To find,
- Time taken (t)
Solution,
>> Power = Work/Time
=> 600 = 96000/Time
=> 600 × Time = 96000
=> Time = 96000/600
=> Time = 960/6
=> Time = 160 sec
or, Time = 2 min & 40 sec
Verification,
>> Power = Work/Time
=> 600 = 96000/160
=> 600 = 600
∴ L.H.S = R.H.S
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