Rotational MotionHard
Question
A small particle of mass m is projected at an angle θ with the x-axis with an initial velocity v0 in the x-y plane as shown in the figure. At a time t <
, the angular momentum of the particle is

where
and
are unit vectors along x, y and z-axis respectively.
, the angular momentum of the particle is 
where
and
are unit vectors along x, y and z-axis respectively.Options
A.- mgv0t2 cos θ
B.mgv0 t2 cos θ 

C.
mgv0 t2 cos θ 
mgv0 t2 cos θ 
D.
mgv0 t2 cos θ 
mgv0 t2 cos θ 
More Rotational Motion Questions
A metal rod of length ′L′ and mass ′m′ is pivoted at one end. A thin disk of mass ′M′...A thin wire of length L and uniform linear mass density ρ is bent into a circular loop with centre O as shown. the ...Three particles each of mass m are placed at the corners of an equilateral triangle of side ′a′ then moment ...Two rods each of mass m and length l are joined at the centre to form a cross. The moment of inertia of this cross about...A coin placed on a rotating table just slips if it is placed at a distance 4r from the centre. On doubling the angular v...



mgv0 t2 cos θ 