SOLUTION: Carlos does a chin-up in gym class and raises himself 0.8 m. If Carlos has a mass of 62 kg, how much work does he accomplish? If he completes this task in 5 seconds, how much power

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Question 1055883: Carlos does a chin-up in gym class and raises himself 0.8 m. If Carlos has a mass of 62 kg, how much work does he accomplish? If he completes this task in 5 seconds, how much power does he generate? (Remember, mass is not a force!)
Found 2 solutions by Fombitz, Alan3354:
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
W=Fd
He's doing work against gravity.
W=mgd=62%289.8%29%280.8%29=486.1J
So then power is work per unit time,
P=486.1%2F5
P=97.2W

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
5 seconds is too long to do a chin-up.