Question

a particle starts from rest and travels along a straight line with an acceleration a = (30 - v/5) m/s*2 where v is in m/s. Determine the time taken when the velocity of the particle is v = 30 m/s.

Answer 1

1.25 seconds

Explanation:

u=0m/s

v=30m/s

a = (30 - 30/5) m/s^2

= 24m/s^2

v=u + at

30 = 0 + 24 t

t = 1.25 sec

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