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a-t Graph

From the blue...

Question

From the blue graph of acceleration above what can we know for sure about the object whose motion this graph represents?

A

The object is speeding up

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B

The object is slowing down

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C

The object is moving northward.

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D

The object is changing direction.

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E

The object is accelerating northward.

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Solution

The correct option is A The object is speeding up
The acceleration-time graph shows that the acceleration of the object is positive, thus the object is speeding up with time.

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