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A point moving along the x-direction sta...

A point moving along the x-direction starts from rest at x=0 and comes to rest at x=1 after 1 s Its accelertion at any point is denoted by `alpha` Which of following is not correct ?

A

`alpha` must change sign during the motion .

B

`|alpha|`ge 4 units st some or all points during the motion.

C

It is not possible to specify an uppwer limit for `|alpha|` from the given data.

D

`|alpha|` connot be less that 1/2 during the motion.

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The correct Answer is:
D
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