Question

A bus accelerates uniformly from rest and acquires a speed of 36 km -h-1 in 10 s the acceleration of the bus is
a) 10 m-s-2
b) 5 m-s-2
c) 2 m-s-2
d) 1 m-s-2

Answer 1

Answer:

Correct option is

D

1 m/s

2

v=u+at

v=75

hr

km

=

3600

75×1000

(

s

m

)

u=0,t=20sec

a=

3600

75×1000

×

20

1

=1.04m/s

2

Answer 2

Answer:

36km/h= 10m/s

a= acceleration

v= final velocity

u= initial velocity

t= time

Explanation:

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