9. How much work is done by the gravitational force when a 265 kg pile driver...

Question

Question

9. How much work is done by the gravitational force when a 265 kg pile driver falls 2.91m?

10. How much work must be done to stop 1,670 kg car traveling at 149 km/h?

Wnet= Δ KE

11. A simple pendulum 1m long has an 8kg bob. How much work is needed to move the pendulum from its lowest point to a horizontal position?

science physics

Answer 1

Answer #1

Answer 2

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