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  • A trolley while going down an inclined plane has an acceleration of 2 cm s raise to minus 2 What will be its velocity 3 s after the start

A trolley, while going down an inclined plane, has an acceleration of 2 cm s-2. What will be its velocity 3 s after the start?

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Given, The trolley starts from rest. Hence, the initial speed of the trolley,u = 0\ ms^{-1}

Acceleration of the trolley, a = 2\ cms^{-2}

Time is taken, t =3\ s

(a) We know, v = u+at

\\ \implies v = 0+(2)(3) = 6\ cms^{-1}

Therefore, the velocity of the trolley after 3 sec is 6\ cms^{-1}

Posted by

HARSH KANKARIA

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