A particle of mass m moves on the `x`-axis as follows. I starts from rest at t = 0 from the point `x`= 0 and comes to rest at t = 1 at the point `x` = 1. No other information is available about its motion at intermediate time (0 < t < 1). If `alpha` denotes the instantaneous acceleration of the particle , then.
Since at t = 0 and t = 1 sec, particle is in rest . This is possible only when the particle accelerates for some time and then decelerates to come in rest.
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