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You pick up a 3.4-kg can of paint from the ground and lift
Chapter 7, Problem 8P(choose chapter or problem)
Problem 8P
You pick up a 3.4-kg can of paint from the ground and lift it to a height of 1.8 m. (a) How much work do you do on the can of paint? (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? (c) Your friend decides against the paint, so you lower it back to the ground. How much work do you do on the can as you lower it?
Questions & Answers
QUESTION:
Problem 8P
You pick up a 3.4-kg can of paint from the ground and lift it to a height of 1.8 m. (a) How much work do you do on the can of paint? (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? (c) Your friend decides against the paint, so you lower it back to the ground. How much work do you do on the can as you lower it?
ANSWER:
Step 1 of 5
In this problem, if you pick a can of paint from ground and lift it at certain height , for part(a) we need to find the work done on the can of paint, in part(b) If you hold the can stationary for half a minute, waiting for a friend on a ladder to take it, what is the work done during this time. And in part(c) if the friend decides against the paint, and so you lower it back to the ground, what is the work done on the can as you lower it.