Question

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A taxi is travelling at 15 m/s. Its driver accelerates with acceleration 3 m/s2 for 4 s. What is its new velocity?​

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Answer 1

Here,u=15 m/s,v=3 m/s^2,t=4 sec

a=v-u/t

Let final velocity be v

=>3=15-v/4

=>3×4=15-v

=>15-v=12

=>-v=-3

=>v=3