Question

A bus increases its velocity from 18 km/h to 36 km/h in 2s the acceleration of the bus is *
a) 2.5 m/s2
b) -1.5 m/s2
c) -2.5 m/s2
d) 1.5 m/s2
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Answer 1

Answer:

Option A is the right answer

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Answer 2

In the given question we have

u=18km/hr

18*5/18=5 m/s

v=36km/hr

36*5/18=10 m/s

t=2s

a=?

By the formula

v=u+at

10=5+2a

10-5=2a

5=2a

5/2=a

2.5m/s^2

Option A

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