Question

A bus increases its speed from 40 km/hr to 50 km/hr in 10 seconds, its acceleration is *

Answer 1

Answer:

5/18 m/s

Explanation:

u = 40km/h = 40*5/18 = 100/9 m/s

v = 50km/h = 50*5/18 = 125/9 m/s

t = 10s

a = v-u/t = (125/9  -  100/9) / 10

  = 25/9 *1/10= 5/18 m/s

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