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A wombat moves along an x axis. What is ...

A wombat moves along an `x` axis. What is the sign of its acceleration if it is moving (a) in the positive direction with increasing speed. (b) in the positive direction with decreasing speed, (c) in the negative direction with increasing speed, and (d) in the negative direction with decreasing speed ?

Text Solution

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The correct Answer is:
(a) plus; (b) minus; (c) minus; (d) plus
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