Question

a bus increases its velocity from 20 m/ s to 30m/s in 2 sec find acceleration ans is 1.5m/s don't know process ​

Answer 1

Answer:

ans is not 1.5 m/s ans is 5m/s^2

Explanation:

v = 3om/s u = 20m/s t= 2 sec

a = v-u /t

a = 30 - 20 / 2

a = 10 / 2

a = 5 m/s^2

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Answer 2

u = 20m/s

v = 30m/s

t = 2 sec

a = ?

as we know ,

a = v - u/ t

= 30 - 20/2

= 10/2

=1.5m/s²

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