Question

If t1 represents the instant at which the
instantaneous velocity becomes perpendicular to
the direction of initial velocity during a projectile and
t2 represents the time after which the particle attains maximum height then √t1t2 is

(1) u/g
(2) 2u/g
(3) u/2g
(4) usin^2/g​

Answer 1

Answer:

usin^2/g is the correct answer.