| Author | Message |
WarmWater
345 posts |
#177298 2008-05-19 18:46 GMT |
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5. You are asked to carry bags of groceries up the stairs. The groceries weigh 3N and you will have to carry them a distance of 10 m. How much work will you do?
A. 30 J B. 30 N C. 3.3 N D. 13 J 6. A toy train has a mass of 2 kg and travels 20 m/s. How much kinetic energy does the train have when it is in motion? A. 40 J B. 40 N C. 400 J D. 20 J 7. Calculate the amount of potential energy a 3 kg can of paint has when it is placed on top of a ladder that is 2m in height. A. 62.8 J B. 58.8 J C. 6 J D. 6 N |
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FrostFlake
372 posts |
#177299 2008-05-19 23:47 GMT |
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1.Ans:a
2.Ans:c 3.Ans:b |
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