# AP (Advanced Placement) Physics(B-C): Questions 896 - 899 of 921

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## Question number: 896

### Question

An acrobat performs the “trick” of walking on a loose board laid on top of a flat roof so that one fifth of the board’s length extends beyond the edge of the roof. If the length of the board is , the mass of the board is , and the mass of the acrobat is , how far beyond the edge of the roof can he stand safely on the board?

### Choices

Choice (5) | Response | |
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e. | Question does not provide sufficient data or is vague |

## Question number: 897

### Question

The water stream travels to maximum height of above the spout of the hose, which is straight upward. What is the approximate speed of the water?

### Choices

Choice (5) | Response | |
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e. | Question does not provide sufficient data or is vague |

## Question number: 898

### Question

Two convex lenses of focal length and constitute a telescope. The telescope is focused on a point, which is away from the objective. If the final image is formed at a distance from the eyepiece, then the length of the tube is:

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e. | None of the above |

## Question number: 899

### Question

On a horizontal meter scale of mass , two masses placed. One mass of is placed at left end of the scale or at mark. The meter scale is balanced such that pivot placed at mark. If the another mass is of , then what is the position of it on meter scale?

### Choices

Choice (5) | Response | |
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e. | None of the above |