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Eighth Grade Science S8P3.a

Posljednje ažuriranje almost 7 years ago

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Napomena autora:

S8P3.a

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Pitanje 1

1.

A. The object is moving with increasing acceleration.

B. The object is moving with constant acceleration.

C. The object is moving with increasing velocity.

D. The object is moving with constant velocity.

Pitanje 2

2.

A school bus drives north and then east through the city as it takes students to school. The bus crosses a city block every 10 seconds. If all the city blocks are the same length, what can be said about the motion of the bus?

A. The bus is decelerating at a constant rate

B. The bus is accelerating at a constant rate.

C. The bus is moving at a constant speed.

D. The bus is moving at a constant velocity.

Pitanje 3

3.

A cart travels with a constant, nonzero acceleration along a straight line. Which of the following graphs best represents the relationship between the distance the cart travels from its starting point and the time of travel?

A.

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B.

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Pitanje 4

4.

Which graph best represents the motion of an object that was initially at rest and is accelerating uniformly?

A.

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B.

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D.

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Pitanje 5

5.

A. The speed is constant.

B. The distance remains unchanged.

C. The direction of motion stays the same.

D. The speed gradually increases over time.