# AP (Advanced Placement) Physics(B-C): Questions 173 - 176 of 921

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## Question number: 173

» Kinematics in One and Two Dimensions

### Question

The graph illustrates the velocity of an object as a function of time.

What is the instantaneous acceleration of object at *t* = 5 s?

### Choices

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

a. |
| |

b. | 0 | |

c. |
| |

d. |
| |

e. | Question does not provide sufficient data or is vague |

## Question number: 174

» Kinematics in One and Two Dimensions

### Question

The equation for the period, *T*, of a pendulum with length *L* is

Which of the diagrams best represents data gathered for a pendulum with length as the independent variable and period as the dependent variable?

### Choices

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

a. | IV | |

b. | I | |

c. | II | |

d. | III | |

e. | All of the above |

## Question number: 175

» Gravitation and Circular Motion

### Question

A satellite with a mass is moving at velocity in a stable circular orbit around Earth at height from the surface of the earth. If the radius of the earth is and mass of earth is , then which of the following expressions is used to determine the velocity of the satellite ?

### Choices

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

a. |
| |

b. |
| |

c. |
| |

d. |
| |

e. | None of the above |

## Question number: 176

» Force and Newton's Law of Motion

### Question

Two perpendicular forces, one of directed towards north and the second of directed towards east, are exerted simultaneously on an object with a mass of . Determine the magnitude of the resultant acceleration of the object (in m/s^{2}) due to these forces.

### Choices

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

a. | 0.65 | |

b. | 1.3 | |

c. | 0.60 | |

d. | 1.5 | |

e. | None of the above |