A car turns a corner at 15 kph. If the car were to turn in a shorter radius, the centripetal acceleration will (increase/decrease). If the radius of the arc is decreased to one-half, the centripetal acceleration is changed to (two times/one fourth/one half/ four times) its original value.
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A car turns a corner at 15 kph. If the car were to turn in a shorter radius, the centripetal acceler...
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