A particle is projected with velocity `20 ms ^(-1)` at angle `60^@` with horizontal . The radius of curvature of trajectory , at the instant when velocity pf projectile become perpendicular to velocity of projection is , `(g=10 ms ^(-1))`

A particle is projected with a velocity 8 m//sec at an angle 45^(0) , with the horizontal.What is the radius of curvature of the trajectory of the particle at the instant of '1/4th' of the time of ascent.

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 body is projected with a velocity 60 ms ^(-1) at 30^(@) to horizontal . Its initial velocity vector is

A body is projected with a velocity 60 ms ^(-1) at 30^(@) to horizontal . Its initial velocity vector is

A particle is projected with a velocity of 20sqrt(3) ms^(-1) at an angle of 60^(@) to the horizontal. At the moment, the direction of motion of the projectile is perpendicular to the direction of initial velocity of projection, its velocity is

A body is projected with a velocity 60 ms^(-1) at 30° to horizontal. Its initial velocity vector is

A particle is projected at an angle of 45^@ with a velocity 9.8ms^-1 . What is horizontal range.