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12 questions from this quiz
Kinetic energy
Ek=12mv2E_k = \frac{1}{2}mv^2Ek=21mv2
78.4 J
It doubles
It increases by four times
Gravitational potential energy
10 N/kg
18,980 J
Elastic potential energy
Ee=12ke2E_e = \frac{1}{2}ke^2Ee=21ke2
Convert to metres by dividing by 100
Joules (J)
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