A body is projected up along the rough inclined plane from the bottom with some velocity. It tra...

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A body is projected up along the rough inclined plane from the bottom with some velocity. It travels up the incline and then returns back. If the time of ascent is \( t_{a} \) and time of descent is \( t_{d} \), then
(a) \( t_{a}=t_{d} \)
(b) \( t_{a}t_{d} \)
(c) \( t_{a}t_{d} \)
(d) Data insufficient
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