Question

Abus decreases its speed from 80 km
Omh in 5 s. Find the acceleration of the​

Answer 1

Answer:

a bus decreases it's speed from 80 km to 60 km in 5s .find the acceleration of the bus.

Initial speed u=80 km/h=80× 5/18

=22.22 m/s

Final speed v=60 km/h=60× 5/18

=16.67 m/s

Using v=u+at

Or 16.67=22.22+α×5

⟹ a=−1.1 m/s

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Answer 2

The answer is -4.4ms^2. The minus sign indicates that the acceleration in opposing the motion.