a boy with a mass of 60kg climbs a
10m vertially up a ladder.
A) how far did he travel?
B) how much work is done?
C) what are the energy changes here?

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  1. I will be happy to critique your thinking.

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  2. sorry my mistake for a it should have been what is his weight?
    i got his weight as 600N
    work done is 6000N/M
    but i did not get c

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