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A particle starts from rest with an acceleration 2m * s ^ – 2 . If the force producing acceleration is applied for 10 s then determine the velocity of the particle after 20 s. (a) 40m * s ^ – 1 (c) 20m * s ^ – 1 (b) 10m * s ^ – 1 (d) 30m * s ^ – 1
Answer:
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Step-by-step explanation:
Here ,
Given : Acceleration = 2m/s²
initial time taken = 10s
final time taken = 20s
initial velocity = 0 m/s
To find : – Velocity
Solution :–
.°. Acceleration = final velocity – initial velocity / final time – initial time taken
2 = 0 – v /20– 0
2 = – v / 20
cross multiply it
.°. V( final velocity ) = 40
hope it helps you