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x - t graph of a particle in SHM is ...

`x - t` graph of a particle in SHM is

At time `t = t_(0)`, what are the signs of `v` and `a` of the particle?

Text Solution

Verified by Experts

The correct Answer is:
A
`v = (dx)/(dt) = slope of x - t graph`.
At time `t = t_(0)`, slope is positive. So, velocity is positive.
`a prop - x`
At time `t = t_(0)`, `x` is positive. Hence, acceleration is negative because `a` and `x` are always of opposite signs.
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