A particle is projected from point P with velocity 5sqrt(2)ms^(-1) perpendicular to the surface of a hollow right angle cone whose aaxis is vertical. It collides at Q normally. The time of the flight of the particle is

A particle is projected from point P with velocity 5sqrt(2)ms^(-1) per

1.	A particle is projected from point P with velocity 5sqrt(2)ms^(-1) perpendicular to the surface of a hollow right angle cone whose aaxis is vertical. It collides at Q normally. The time of the flight of the particle is
Answer» SOLUTION :`t=u/(G SIN THETA)=(5sqrt(2)xxsqrt(2))/10=1sec`