Question

A trolley which going down an inclinde plane has an accilaration of 20 m/s.what will be its velocity 3 seconds after the start?

Answer 1

Answer:

Given:

Initial velocity is: u=0

Time is: t=3s

Acceleration is: a=2 cm s

−2

From first equation of motion:

v=u+at

v=0+2×3=6 cm s

−1

Explanation:

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