Question

A trolley move down a slope from rest with constant acceleration .in the first round of its motion it travel 2.6m.find its acceleration.

Answer 1

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Answer 2

Given that,

In first second of its motion, a trolley travel 2.6 m.

To find,

The acceleration of the trolley.

Solution,

As it is starting from rest, u = 0

Using second equation of motion to find its acceleration as :

$s=ut+\dfrac{1}{2}at^2\\\\s=\dfrac{1}{2}at^2\\\\a=\dfrac{2s}{t^2}\\\\a=\dfrac{2\times 2.6}{(1)^2}\\\\a=5.2\ m/s^2$

So, the acceleration of the trolley is $5.2\ m/s^2$.

Learn more,

Kinematics

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