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Two cars complete a 90-degree turn through a circular stretch of road. Car A com

ID: 1880663 • Letter: T

Question

Two cars complete a 90-degree turn through a circular stretch of road. Car A completes the turn first and maintains a constant speed as it does so. Car B completes the turn after A, but the driver brakes and slows her car during the turn. Which of the following statements is correct? Car A and Car B have to have the same centripetal acceleration because the follow the same curved path, but Car B has additional tangential acceleration. Car A and Car B have the same total acceleration. Car A will experience a larger centripetal acceleration during the turn, but Car B will experience a larger tangential acceleration Car A will experience a smaller centripetal acceleration, and Car B will experience a smaller tangential acceleration.

Explanation / Answer

Car A will experience larger centripetal accn. Car B will have larger tangential.

Because, car A has constant speed hence zero tangential accn.
Car B has decreasing speed hence decreasing centripetal accn, as it depends upon v^2

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