Asked by AAYUSH

a body travels 200 cm in the first two second and 220 cm in the next 4 seconds.what will be the velocity at the seventh second from the start.
Answered by mahesh
v=u+at or 220/4=200/2+a*1
55=50+a or a=5m/s^2
Again, v=55+5*1=60m/sec at the start of 7th second.
Answered by Anonymous
phaltu
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