WORK AND ENERGY
Authored by Ernita Nita
Physics
University
Used 1+ times
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5 questions
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1.
OPEN ENDED QUESTION
5 mins • 20 pts
Who's doing more work? Explain
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2.
OPEN ENDED QUESTION
3 mins • 20 pts
Which person has greater power? Explain
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3.
OPEN ENDED QUESTION
5 mins • 20 pts
If the roller coaster car in the above problem were moving with twice the speed, then what would be its new kinetic energy?
If the roller coaster car in the above problem were moving with twice the speed, then what would be its new kinetic energy?
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4.
OPEN ENDED QUESTION
3 mins • 20 pts
A man lifts a weight of 300N through a vertical line with an average velocity of 1m/s. What is the power of the man?
A man lifts a weight of 300N through a vertical line with an average velocity of 1m/s. What is the power of the man?
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5.
OPEN ENDED QUESTION
3 mins • 20 pts
A 10 kg boulder rests at the edge of a 100 m cliff.
a. How much potential energy does the rock possess?
b. The rock rolls off the cliff and falls to the bottom. How much kinetic energy does the rock possess at the bottom of the cliff?
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