A particle of mass `1 kg` is projected with an initial velocity `10 ms^(-1)` at an angle of projection `45^(@)` with the horizontal. The average torque acting on the projectile and the time at which it strikes the ground about the point of projection in newton meter is

A particle of mass 1 kg is projected with all initial velocity 10 ms^(-1) at an angle of projection 45^(@) with the horizontal. The average torque acting on the projectile, between the time at which its is projected and the time at which it strikes the ground, about the point of projection in newton-metre is

A particle of mass m is projected with an initial velocity U at an angle theta to the horizontal. The torque of gravity on projectile at maximum height about the point of projection is

A particle is projected from the ground with an initial speed of 5 m s^(-1) at an angle of projection 60° with horizontal. The average velocity of the particle between its time of projection and the time it reaches highest point of trajectory

A particle is projected form ground with an initial velocity 20ms^-1 at an angle 30^@ with the horizontal. What is the magnitude of change of velocity in 5sec.

A particle of mass m is projected with an initial velocity u at an angle theta to horizontal. The torque of gravity on projectile at maximum height about the point of projection 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 projectile is fired at an angle of 45^(@) with the horizontal. Elevation angle of the projection at its highest point as seen from the point of projection is