Q.
Two boys are standing at the ends A and B of a ground where ,AB - a The boy at B starts running in a direction perpendicular to AB with velocity v1. The boy at A starts simultaneously with velocity y as shown in figure and catches the other boy in a time t, where t is
see full answer
Start JEE / NEET / Foundation preparation at rupees 99/day !!
21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya
a
av+v1
b
av2+v12
c
a2v2−v121/2
d
av−v1
answer is C.
(Unlock A.I Detailed Solution for FREE)
Ready to Test Your Skills?
Check your Performance Today with our Free Mock Test used by Toppers!
Take Free Test
Detailed Solution
The velocity of A relative to B is given byvAB=v2−v12Now, VAB×t=aor t=avAB=av2−v12
Watch 3-min video & get full concept clarity