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The x and y-coordinates of a particle at...

The x and y-coordinates of a particle at any time t are given by `x=7t+4t^(2)` and y = 5t, where x and y are in metre and t seconds. The acceleration of particle at t = 5 is

A

`40 ms ^(-2)`

B

`20 ms ^(-2)`

C

`8 ms ^(-2)`

D

Zero

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Verified by Experts

The correct Answer is:
C
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