A machine does 1920 joule of work in 240 seconds. What is the power of the
machine?

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Solution

Power=work/time
=1920/240

=8 watt or 8 W

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Question 148(i)

Two machines can be hooked together. When something is sent through this hook up, the output from the first machine becomes the input for the second.
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A machine does 1920 joule of work in 240 seconds. What is the power of the machine?

Power=work/time =1920/240 =8 watt or 8 W

A machine does 1920 joule of work in 240 seconds. What is the power of the
machine?

Power=work/time
=1920/240

=8 watt or 8 W