Question

speed of a bus changes from 80km/h-¹ to 60km/h-¹ in 5 second. find out the acceleration​

Answer 1

Answer:

Check the answer below.

Explanation:

Every 5 sec velocity drops by 20 Km/hr

so every second it'll drop by 20/5 = 4 Km/hr

How much will it drop in an hour ?

Every hour contains 3600 seconds and velocity drop per sec is 4 km/hr

So every hour velocity will drop by 3600*4= 14400 km/hr

Hence answer is 14400 km/hr^2

Answer 2

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