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A ball is thrown straight upward with initial speed v0 = 48:0 m/s. Because of ai

ID: 2218317 • Letter: A

Question

A ball is thrown straight upward with initial speed v0 = 48:0 m/s. Because of air resistance, the magnitude of the acceleration on the way up is 12:0 m/s2, and the magnitude of the acceleration on the way down is 8:00 m/s2. The ball is caught at the same height from which it was thrown. A.) The time on the way up is longer than the time on the way down. The speed when it is caught is greater than the initial speed. B.) The time on the way up is shorter than the time on the way down. The speed when it is caught is greater than the initial speed. C.) The time on the way up is longer than the time on the way down. The speed when it is caught is less than the initial speed. D.) The time on the way up is shorter than the time on the way down. The speed when it is caught is less than the initial speed. E.) The time on the way up is shorter than the time on the way down. The speed when it is caught is equal to the initial speed.

Explanation / Answer

only correct option is C

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