# Help me with science please

Which statement includes a description of velocity?(1 point)

A marble rolls 30 centimeters away from the table.

A car travels east at 45 kilometers per hour.

A bicycle moves 8 meters per second.

A student walks 20 meters down the street.

.

An illustration shows a car moving in a roundabout with a speed of 10 meters per second.

Which characteristic is constant for the car as it travels around the roundabout?

(1 point)

speed

velocity

direction

position

On a position-time graph, what does the value of the slope indicate about the object?(1 point)

speed

change in speed

change in position

acceleration

Which statement describes whether the objects have a constant velocity?

(1 point)

Both objects have a constant velocity.

Only object D has a constant velocity.

Neither object has a constant velocity.

Only object C has a constant velocity

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D
C
D
A
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1.A car travels east at 45 kilometers per hour.

2.speed

3.speed

4.Only object D has a constant velocity.

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