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05/01/2021 4:03 pm
Topic starter
A bus starting from rest moves with a uniform acceleration of 0.1 m s-2 for 2 minutes. Find
(a) the speed acquired,
(b) the distance travelled.
1 Answer
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05/01/2021 4:09 pm
Here, u = 0, a = 0.1 ms-2
t = 2 min = 2 x 60 s = 120 s
(a) From v = u + at, v = 0 + 0.1 x 120 = 12 ms-1
(b) From s = ut + \(\frac{1}{2}\)at2
s = 0 x 120 + \(\frac{1}{2}\) x 0.1(120)2 = 7.2 x 102 m