Answers Crowley Credit Recovery Physics AAcceleration

Acceleration Answers

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The chart shows data for four moving objects.Which object has the greatest acceleration?

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Which characteristic does an object with a constant acceleration always have?

changing velocity

constant velocity

fast speed

slow speed

The diagram shows a motion map.

The object has decreasing acceleration and increasing velocity.

The object has positive acceleration and eventually stops.

The object has decreasing acceleration and decreasing velocity.

The object has negative acceleration and eventually stops.

Suppose the initial position of an object is zero, the starting velocity is 3 m/s and the final velocity was 10 m/s. The object moves with constant acceleration. Which part of a velocity vs. time graph can be used to calculate the displacement of the object?

the area of the rectangle under the line

the area of the rectangle above the line

the area of the rectangle plus the area of the triangle under the line

the area of the rectangle plus the area of the triangle above the line

Which formula is used to find an object’s acceleration?

Option

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negative displacement

negative acceleration

zero acceleration

zero displacement

Study the velocity vs. time graph shown.

4 m

8 m

16 m

24 m

How is constant velocity indicated on a motion map?

by vectors that slowly increase in length

by vectors that are all the same length

by dots that slowly increase in size

by dots that are all the same length

A truck heading east has an initial velocity of 6 m/s. It accelerates at 2 m/s2 for 12 seconds. What distance does the truck travel in the given time?

84 m

144 m

216 m

360 m

A velocity vs. time graph is shown.

0 m/s2

0.25 m/s2

4 m/s2

8 m/s2

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Acceleration Answers

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