Question

a bus increses its speed from 20km/hr to 50km/hr in 10 se what is its acceleration​

Answer 1

Answer:

acceleration = v-u/t

= 50-20/10

=30/10

=3m/s square

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Answer 2

Answer:

u =20km/h =5.55m/s

v=50km/h=13.88m/s

t=10 sec

a= v-u/t

=13.88-5.55/10

=0.83 ms^-2

Explanation: