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Kinetic and Gravitational Potential Energy
Worksheet
Grade Level
Grade 6
6.50 Kinetic and Gravitational Potential Energy
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A 2 kg cart is at height 2 m with speed 3 m/s. Use g = 10 N/kg.
If its speed drops to 1 m/s without changing height, how much mechanical energy was lost (for example, to friction)?
A
8 J
B
10 J
C
4 J
D
12 J
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