Question
Sun July 08, 2012 By: Apoorva
options are:-
 
A. 1:2:3.......
B. 1:4:9.......
C. 2:4:7.......
D. 1:3:5......
 
 

For a body starting from rest and moving with uniform acceleration,the ratio of velocities after 1s,2s,3s....is ?

Expert Reply
Sun July 08, 2012
The ratio of velocity will be 1:2:3....
Because, v = u + at
As initial velocity, u = 0
This implies  if time is 1 sec,  v1 = at for first second
For 2nd second V2 = 2at
and v3 = 3at
and when they are divided we get the ratio as 1:2:3....
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