# AP (Advanced Placement) Physics(B-C): Questions 85 - 88 of 921

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## Question number: 85

MCQ▾

### Question

If quantity X is measured in kilograms, quantity Y is measured in meters per second, and quantity Z is measured in meters, determines the units on the calculated quantity

### Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above

## Question number: 86

MCQ▾

### Question

The graph plots data for the acceleration of an object as a function of the net force exerted on the object. What is the mass of the object?

### Choices

Choice (5) Response

a.

b.

c.

1.7 kg

d.

e.

All of the above

## Question number: 87

MCQ▾

### Question

A person is standing on a scale in an elevator car that is accelerating upward. Compare the reading on the scale to the person’s actual weight (the gravitational force exerted by the Earth on the person)

### Choices

Choice (5) Response

a.

The scale reading will always be the same as the person’s weight.

b.

The scale reading will be less than the person’s weight.

c.

The scale will always read zero when the elevator is moving.

d.

The scale reading will be greater than the person’s weight.

e.

None of the above

## Question number: 88

MCQ▾

### Question

A stone is freely fallen horizontally from the top of a building of height . How much time does it take to travel from top of the building to the ground?

### Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above