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The displacment of a particle is represe...

The displacment of a particle is represented by the following equation : `s=3t^(3)+7t^(2)+4t+8`
where s is in metre and t in second. The acceleration of the particle at t=1:-

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The correct Answer is:
A
`PQ=R=(u^(2) sin 90^(@))/(g)=(100xx1)/(10)=10 rArr PQ=10`

`(x,y)=(10, 6, 0)`
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ALLEN -MOTION IN A PALNE-EXERCISE-02
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