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A machine does 200 J of work in 5 seconds. What is its power output?
Practice Questions
Q1
A machine does 200 J of work in 5 seconds. What is its power output?
20 W
40 W
50 W
60 W
Questions & Step-by-Step Solutions
A machine does 200 J of work in 5 seconds. What is its power output?
Steps
Concepts
Power
– Power is the rate at which work is done or energy is transferred, calculated as work divided by time.
Work
– Work is defined as the product of force and displacement in the direction of the force, measured in joules (J).
Time
– Time is the duration over which work is done, measured in seconds (s).
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