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Byju's Answer
Standard IX
Physics
Third Equation of Motion
A bus decreas...
Question
A bus decreases its speed from 80 km/h to 60 km/h in 5 seconds. Find the acceleration of the bus.
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Solution
u
= initial velocity =
80
k
m
/
h
=
22.2
m
/
s
v
= final velocity =
60
k
m
/
h
=
16.7
m
/
s
t
= time =
5
s
a
= acceleration = ?
a
=
v
−
u
t
a
=
16.7
−
22.2
5
Therefore,
a
=
−
1.1
m
/
s
2
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A bus decreases its speed from 80 km/h to 60 km/h in 5 seconds. Find the acceleration of the bus.
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I have a doubt in thid questions why are multiplying with
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