A truck driver decrease the velocity of truck from 100m/s to 50m/s in 5 second. Find the acceleration of the truck.
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A truck driver decrease the velocity of truck from 100m/s to 50m/s in 5 second. Find the acceleration of the truck.
Given Final velocity (v) = 50 m/s
Initial velocity (u) = 30 m/s
Acceleration (a) = 2.5 m/s
2
We know v = u + at
∴ 50 = 30 + 2.5 t
⇒ 50 - 30 = 2.5 t
⇒
2.5
20
= t or 8 = t
∴ Time taken to accelerate = 8 seconds
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