A bus increases iys velocity from 20m/s to 30m/s in 2 seconds. Find ots acceleration
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5ms^-2 be the acceleration

Explanation:

Solution,

Given,

u=20m/s

v=30m/s

t=2 seconds

Now,

According to the formula of acceleration,we have

a=v-u/t

=30-20/2

=10/2

=5m/s^2

So, it's acceleration is 5m/s^2

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answer a fan shaped mass of sediment deposited at the base of a mountain front do to an abrupt change in stream gradient;