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faust18 [17]
2 years ago
13

How much work will a machine with a power rating of 1.1 × 103 watts do in 2.0 hours?

Physics
2 answers:
lyudmila [28]2 years ago
7 0

Answer:

D.

Explanation:

8.1X10 to the power of 6 Joules.

Pie2 years ago
4 0

Answer:

7.92×10^6Joules

Explanation:

Power is defined as the rate of change in work done. Mathematically, Power = Workdone/Time

Given power = 1.1×10³watts

Time = 2.0hours = 2×60×60

= 7,200seconds

Workdone = power × time

Work done = 1.1×10³×7200

Workdone = 7,920,000Joules

= 7.92×10^6Joules

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