An object moves with a uniform speed V1 far the time t and then moves with a uniform speed V2 for further time t . find the average of speed
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average speed=total ditance divided by total time
d1=v1t
d2=v2t
hence, av. speed = (v1+v2)/2
d1=v1t
d2=v2t
hence, av. speed = (v1+v2)/2
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