physics

You pick up a 3.2 kg can of paint from the ground and lift it to a height of 1.4 m .

Part A
How much work do you do on the can of paint?

Express your answer to two significant figures and include the appropriate units.

Part B
You hold the can stationary for half a minute, waiting for a friend on a ladder to take it. How much work do you do during this time?

Express your answer to two
significant figures and include the appropriate units.

Part C
Your friend decides not to use the paint, so you lower it back to the ground. How much work do you do on the can as you lower it?

Express your answer to two significant figures and include the appropriate units.

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  1. See Related Questions: Fri, 2-7-14, 2:59 AM.

    posted by Henry

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