Question

a bike travels with constant acceleration with a velocity of 20 m/s at the start of a 2 kilometer long track, and a velocity of 60 m/s by the end of the track. What is the constant acceleration of the bike?

Answer 1

Answer:

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a bike travels with constant acceleration with a velocity of 20 m/s at the start of a 2 kilometer long track, and a velocity of 60 m/s by the end of the track.The constant acceleration of the bike is 0.9m/s.....

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Answer 2

Answer:

Here u = Initial velocity = 20

V = Final velocity = 60

S = Distance = 2000

f =Acceleration = ?

We know that

V² = u² + 2fs

60² = 20² + 2×f ×2000

f = ( 3600 - 400) / 4000 = 3200/4000 = 4/5

So the required acceleration = 4/5 m /s²