Question

A bus decreases its speed from
80 kmh 10 60 km hin 5 s
Find the aceleration of the bus
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Answer 1

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Step-by-step explanation:

Motion. A bus decreases its speed from 80 km/h to 60 km/h in 5 seconds. Find the acceleration of the bus. So, the bus is decelerating at a rate of -1.11 m/s2.

Answer 2

Answer:

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11th

Physics

Motion in a Straight Line

Problems on Equation of Motion

A bus decreases its speed f...

PHYSICS

A bus decreases its speed from 80 km h

−1

to 60 km h

−1

in 5 s. Find the acceleration of the bus.

December 26, 2019

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Hitesh Maharaj

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ANSWER

Initial speed u=80 km/h=80×

18

5

=22.22 m/s

Final speed v=60 km/h=60×

18

5

=16.67 m/s

Using v=u+at

Or 16.67=22.22+α×5

⟹ a=−1.1 m/s

2

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