Question

A biker starts from rest and increase his velocity at the rate of 3 m/s for 4 secobds . What is the velocity of the biker after 4 seconds.

Answer 1

                                                          hii
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                    here initial velocity of the car (u)=o m/s

                            accleration(a)= 1 m/s²

                             time (t)=   4sec
                               
                            final velociy(v)= ?

   using equation         v=u+at
 
                                     v=0+3*4

                                      v=12 m/s
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Answer 2

VELOCITY =3M/S FOR 4 S
AFTER 4 S VELOCITY = 3 + 3 =6 M/S