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 one year ago
Dynamics: The force of the motor M on the cable is shown in the graph. Determine the velocity of the 450kg crate A when t=2s
 one year ago
Dynamics: The force of the motor M on the cable is shown in the graph. Determine the velocity of the 450kg crate A when t=2s

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brinethery
 one year ago
Best ResponseYou've already chosen the best response.0I can post my work if you'd like. I came out with .088 m/s, but that is wrong.

dayhiker42
 one year ago
Best ResponseYou've already chosen the best response.0My suggestion would be to use conservation of energy since the force varies with time. Integrate the force curve and set that equal to change in potential energy from height and kinetic energy with upward velocity. Using F=ma to find the acceleration and taking the second integral will yeild the height for gravitational potential.

brinethery
 one year ago
Best ResponseYou've already chosen the best response.0I'm looking at another dynamics problem that's similar to this one for some guidance. Hopefully, it's just a rounding error hehe.
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