Question

An object starting from rest travels 20m in first 2 s and 160 m in next 4s what will be the velocity after 7s from the start

Answer 1

first distance = 20m
time= 2s
velocity= 20/2= 10m/s

second, distance= 160m
time= 4s
velocity= 160/4= 40 m/s
velocity after 7 second
(second-first)distance/7
(160-20)/7
140/7= 20m/s


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