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Asked by manoj255 | 21st Nov, 2010, 09:33: PM

Expert Answer:

Dear student
In physics, a change in the direction of velocity also is an acceleration: for rotary motion, the change in direction of velocity results in centripetal (toward the center)acceleration; where as the rate of change of speed is a tangential acceleration.
We hope this clarifies your doubt.
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Topperlearning

Answered by  | 22nd Nov, 2010, 10:48: AM

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