A particle of mass m is projected with a velocity v making an angle of `45^@` with the horizontal. The magnitude of the angular momentum of the projectile abut the point of projection when the particle is at its maximum height h is.

A particle of mass m is projected with a velocity v, making an angle of 45^(@) with the horizontal. The magnitude of the angular momentum of the projectile about the point of projection, when it is at its maximum height h, is

A particle of mass 'm' is projected with a velocity upsilon making an angle of 30^(@) with the horizontal. The magnitude of angular moment of the projectile about the point of projection when the particle is at its maximum height 'h' is

A particle of mass "m" is projected with a velocity ' "u" ' making an angle of 30^(@) with the horizontal. The magnitude of angular momentum of the projectile about the point of projection when the particle is at its maximum height "h" is :

A particle of mass m is projected with velocity v moving at an angle of 45^(@) with horizontal. The magnitude of angular momentum of projectile about point of projection when particle is at maximum height, is