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For the one dimensional motion, describe...

For the one dimensional motion, described by `x=t-sint`

A

`x(t) gt 0` for all t gt 0

B

`nu(t) gt 0` for all `t gt 0`

C

`a(t) gt 0` for all `t gt 0`

D

all of these

Text Solution

Verified by Experts

The correct Answer is:
A
`x = t - sint, v = (dx)/(st) = 1 - cost, a = (dv)/(dt) = sint`
`therefore x(t) gt 0` for all values of `t gt 0` and v(t) can be zero for one value of t, a(t) can zero for one value of t.
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