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22 questions
What are the units for power?
Watts
Joules
Newtons
Kilograms
What is the formula for power?
Power = Work x Time
Power = Force x Distance
Power = Work/Time
Power = Force/Time
Explain how a 45 and 60 watt bulb differ in terms of energy output.
A force of 4.6 N moves a 2.7 kg box a distance of 3.3 m in 6.8 s. How much power is exerted?
2.23 W
6.03 W
17.4 W
278.7 W
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