# Linear Momentum [AP (Advanced Placement) Physics(B-C)]: Questions 1 - 4 of 66

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## Question number: 1

### Question

MCQ▾Two skaters stand face to face on the ice. Skater has a mass of , and skater 2 has a mass of . They push off one another and move in opposite directions. What is the ratio of skater 1’s speed to skater 2’s speed?

### Choices

Choice (5) | Response | |
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a. |
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b. |
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c. |
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d. |
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e. | None of the above |

## Question number: 2

### Question

MCQ▾In the laboratory, a cart moving to the right on a track at collides totally inelastically with a cart moving to the left at . Determine the loss to thermal energy during this collision.

### Choices

Choice (5) | Response | |
---|---|---|

a. |
| |

b. |
| |

c. |
| |

d. |
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e. | All of the above |

## Question number: 3

### Question

MCQ▾A cart rolls across a level floor with speed and strikes a wall elastically. In a second trial, the cart strikes the wall at . Assuming that the contact time between the cart and the wall is the same in both cases. The force the cart exerts on the wall in the second trial is ________the force in the first trial.

### Choices

Choice (5) | Response | |
---|---|---|

a. | Twice as much | |

b. | The same as | |

c. | Four times as much | |

d. | Half as much | |

e. | All of the above |

## Question number: 4

### Question

MCQ▾A rubber ball drops from a height of onto a concrete floor and rebounds to a height of . What is the coefficient of restitution between the ball and the floor?

### Choices

Choice (5) | Response | |
---|---|---|

a. | 0.90 | |

b. | 0.25 | |

c. | 0.50 | |

d. | 0.70 | |

e. | All of the above |