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09. Energy
| Question Name | Average time to answer (seconds) | Total correct answers | Total incorrect answers |
|---|---|---|---|
| How much work is done by gravity on the wagon in time Δt? | |||
| A toy cart is initially at rest. A constant force of 10 N is ... ... | |||
| ... ... | |||
| What is the change in kinetic energy during the braking? | |||
| What is the work done by the road on the car? | |||
| If the force of the road on the car during the stop is constant, ... ... | |||
| ... ... | |||
| What is its velocity just before it reaches the ground? | |||
| If the height h were doubled, how would the terminal kinetic ... ... | |||
| If the height h were doubled, how would the terminal velocity ... ... |