A small steel ball is dropped into a long cylinder containing glycerine. Which one of the following is the correct representation of the velocity-time graph for the transit of the ball?
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Question

A small steel ball is dropped into a long cylinder containing glycerine. Which one of the following is the correct representation of the velocity-time graph for the transit of the ball?

G1 Physics · Accepted Answer

As the ball falls through glycerine, viscous drag increases with speed. Hence acceleration gradually decreases and the velocity approaches a constant terminal velocity asymptotically. Therefore, Image 2 is correct.