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F=mgh m=0.40kg, g=10 m/s^2, h=40m, a= 30 m/s

Not sure if I set this problem up right, and since everything is given don't know how to find energy dissipated due to friction.

- Thread starter Gashouse
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- #1

- 10

- 0

F=mgh m=0.40kg, g=10 m/s^2, h=40m, a= 30 m/s

Not sure if I set this problem up right, and since everything is given don't know how to find energy dissipated due to friction.

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OlderDan

Science Advisor

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Can you calculate the initial energy of the ball, and the energy it has when it reaches the highest point?Gashouse said:

F=mgh m=0.40kg, g=10 m/s^2, h=40m, a= 30 m/s

Not sure if I set this problem up right, and since everything is given don't know how to find energy dissipated due to friction.

F is not mgh. mgh is potential energy.

30 m/s is not acceleration, it is the initial velocity.

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