The bus at rest accelerates uniformly …
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Chirag Solanki 7 years, 4 months ago
here u = 0 m/s and v = 54x5/18 m/s = 3x5 = 15 m/s
t = 20 sec
now we use first equation of kinematics v = u + at
15 = 0 + a(20)
a = 0.75 m/s2
now use second equation s = ut + 1/2 at2
s = 0 + 1/2 (0.75)400
s = 200x0.75
s = 150 m
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