# AP (Advanced Placement) Physics(B-C): Questions 161 - 163 of 921

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## Question number: 161

### Question

Assuming that all charges in the figure have the same magnitude, which of the following combinations of charges would require the greatest amount of work to assemble in the triangular arrangement shown?

### Choices

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

a. | Two positive charges and one negative charge | |

b. | Three negative charges | |

c. | Either all three charges are positive or negative | |

d. | Three positive charges | |

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

## Question number: 162

» Force and Newton's Law of Motion

### Question

In the illustration, a box sits on a level table and is connected by a string to a hanging box with a mass of . The coefficient of kinetic friction between the mass and the table is . Assuming that the pulley has negligible mass and is essentially frictionless as it rotates, what is the tension in the string connecting the two boxes after the boxes start to move?

### Choices

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

a. |
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b. |
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c. |
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d. |
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e. | Question does not provide sufficient data or is vague |

## Question number: 163

» Kinematics in One and Two Dimensions

### Question

The figure shows the path of a projectile motion of a ball, from the ground at point A and lands on the ground at point E. If air friction is negligible, then what are the points, at where acceleration is zero, speed is maximum, and height is maximum?

### Choices

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

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 |