Change in Momentum 1
| First | First | Last | Results | A driver with a mass of | is travelling at | They loose control and crash into a wall an the driver is not wearing a seatbelt. The velocity of the driver falls to zero in | 1a) Calculate the force experienced by the driver? | Select the correct Units? | Sqrt Answer | Round Answer | Results | Results Units | Show your workings: | If the driver had been wearing a seatbelt, the time for momentum change would have been 1 seconds. | 1b) Calculate the force experienced by the driver in this case? | Correct Answer 1b | Round Answer 1b | Results 1b | Select the correct Units? | Results Units 1b | Show your workings: | 1c) Explain how seatbelts reduce the risk of serious injury in car crashes? | 1d) Explain how this reduces the forces acting on a passenger? | 1e) Explain how airbags reduce the risk of serious injury? |
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| ppefmh | Ed | Garstin | Incorrect | 87 | 14 | 0.8 | 54 | 2 | 1522.5 | Incorrect | Incorrect | 453 | 4 | 54 | 304.5 | 304.5 | Incorrect | 4 | Incorrect | 543 | 543 | 543 | 534 | |
| First | First | Last | Results | A driver with a mass of | is travelling at | They loose control and crash into a wall an the driver is not wearing a seatbelt. The velocity of the driver falls to zero in | 1a) Calculate the force experienced by the driver? | Select the correct Units? | Sqrt Answer | Round Answer | Results | Results Units | Show your workings: | If the driver had been wearing a seatbelt, the time for momentum change would have been 1 seconds. | 1b) Calculate the force experienced by the driver in this case? | Correct Answer 1b | Round Answer 1b | Results 1b | Select the correct Units? | Results Units 1b | Show your workings: | 1c) Explain how seatbelts reduce the risk of serious injury in car crashes? | 1d) Explain how this reduces the forces acting on a passenger? | 1e) Explain how airbags reduce the risk of serious injury? |