Question

a bus decreases its speed from 80 km h - 12 kilometre 60 km h - 1 in 5 second find acceleration the

Answer 1

u= initial velocity= 80 km/h = 22.2 m/s

v= final velocity = 60 km/h = 16.7 m/s

t= time = 5 s

a= acceleration = ?

a=v-u/t

a= 16.7-22.2/5

a= -5.5/5

Therefore, a=-1.1 m/s^2

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