Work, Energy, Power Equations
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Last updated 5:16 PM on 3/17/26
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11 Terms
1
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Kinetic Energy
½ mv²
2
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Change in Kinetic Energy
½ m(v² - u²)
3
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Conversation of Momentum
M1u1 + M2u2 = M1v1 + M2v2
4
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Work Done in a system
KEstart + PEstart + Workin = KEend + PEend + Workout
5
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Momentum
mv
6
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Power
work done / time
Fv
7
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Impulse
Change in momentum
Ft
mv-mu
8
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Coefficient of Restitution
speed of seperation / speed of approach
(v1-v2) / (u2 - u1)
9
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Work-Energy Principle
Fs = ½ m(v²-u²)
10
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Work Done
Fs
Force x Distance moved
11
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Potential Energy
mgh
