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09. Energy
| Question Name | Average time to answer (seconds) | Total correct answers | Total incorrect answers |
|---|---|---|---|
| Which of the following is true concerning the collision? | |||
| What is the final velocity of Cart B? | |||
| ... ... | |||
| Which expression gives the efficiency of the cart? | |||
| If the cart travels the same distance D at a larger velocity, ... ... | |||
| Where does the energy go which is not used to overcome air ... ... | |||
| Assuming no friction and 100% efficiency, to what height above ... ... | |||
| Which is the best description of the energy flow? | |||
| If the motor is run for 60 seconds, how high does the mass ... ... | |||
| How long would it take to bring the mass to the same height ... ... |