A ball is thrown with a velocity of `u` making an angle `theta` with the horizontal. Its velocity vector normal to initial vector `(u)` after a time interval of

For a projectile first with velocity u at an angle theta with the horizontal.

A projectile is fired with a velocity 'u' making an angle theta with the horizontal. Show that its trajectory is a parabola.

A body is thrown with a velocity of 9.8 m//s making an angle of 30^(@) with the horizontal. It will hit the ground after a time

A particle is projected with a velocity u making an angle theta with the horizontal. At any instant its velocity becomes v which is perpendicular to the initial velocity u. Then v is

A ball is thrown with velocity 8 ms^(-1) making an angle 60^(@) with the horizontal.Its velocity will be perpendicular to the direction of initial velocity of projection after a time of

A particle is projeced with a velocity u making an angle theta with the horizontal. The instantaneous power of the gravitational force

" A body is projected with velocity u making an angle 30^(0) with the horizontal.Its velocity when it is perpendicular to the initial velocity vector is "

A stone is thrown with a velocity v at an angle theta with the horizontal.Its speed when it makes an angle beta with the horizontal is

A particle is projected with a velocity u making an angle theta with the horizontal. The instantaneous power of the gravitational force