Calculations Involving Power

## Work and Power Self-Quiz

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- If a person can do 250 Joules of work in 5 seconds, what is his power output?
- 50 Watts
- 1250 Watts
- 50 Joules
- 1250 Joules

- If a lightbulb can do 1200 Joules of work in 12 seconds, what is its power output?
- 14,400 Watts
- 100 Watts
- 14,400 Joules
- 100 Joules

- How much work is done by a motor with a power output of 6000 Watts in 45 seconds?
- 133.33 Joules
- 270,000 Joules
- 133.33 Watts
- 270,000 Watts

- If a turtle can do 1200 Joules of work in 12 hours, what is his power output?
- 100 Watts
- 0.03 Watts
- 14,400 Watts
- 4 Watts

- What is Tia's power output if she raises a 2 kilogram physics book up 1 meter at a constant speed in 2 seconds? Assume no wind resistance acts on the book.
- 10 Watts
- 1 Watt
- 40 Watts
- 5 Watts

- What is Jacob's power output if he can lift a 40 Newton object up 1.5 meters at a constant speed in 1.5 seconds? Assume no wind resistance acts on the object.
- 400 Watts
- 90 Watts
- 40 Watts

- How much work does Jacob do on a 40 Newton object if he can lift it up 1.5 meters at a constant speed in 1.5 seconds? Assume no wind resistance acts on the object.
- 40 Watts
- 26.67 Joules
- 60 Joules
- 40 Joules

- How much work does Tia do on a 2 kilogram physics book if she raises it up 1 meter at a constant speed in 2 seconds? Assume no wind resistance acts on the book.
- 20 Joules
- 2 Joules
- 4 Joules
- 10 Joules