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PizzaIsYum
Questions (1)
A large engine with mass of 400 kg must be lifted 3 meters out of a truck for repair. A normal mechanic can lift with about 250
6 answers
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Answers (3)
halp
Oh but does the way that I did it count too? I think I might still be quite confused.
Thanks everyone! I think those answers make sense. I ended up doing something a little different though. First I found the velocity using 1/2mv^2i+mghi=1/2mv^2f+mghf and got v=7.7m/s Then I plugged that into W=change in KE or 1/2mv^2f-1/2mv^2i = Fd and got
