At what point on a projectile's trajectory. Its speed is minimum ? If a stone is thrown with a speed `v_0` at an angle `theta_0` with horizontal, find the velocity of the stone when its line of motion makes an angle `theta` with horizontal.

A projectile is fired with a speed u at an angle theta with the horizontal. Find its speed when its direction of motion makes an angle alpha with the horizontal.

A projectile is fired with a speed u at an angle theta with the horizontal. Find its speed when its direcrtion of motion makes an angle alpha with the horizontal.

A bullet is fired with speed 50m//s at 45^(@) angle with horizontal. Find the height of the bullet when its direction of motion makes angle 30^(@) with the horizontal.

What is the radius of curvature of the parabola traced out by the projectile in which a particle is projected with a speed u at an angle theta with the horizontal, at a point where the velocity of particle makes an angle theta//2 with the horizontal.

A particle is thrown with a speed is at an angle theta with the horizontal. When the particle makes an angle phi with the horizontal, its speed changes to v, then

The block A is moving downward with constant velocity v_(0.) Find the velocity of the block B. When the string makes an angle theta with the horizontal

A particle is fired from a point on the ground with speed u making an angle theta with the horizontal.Then

A particle is thrown with a speed u at an angle theta with the horizontal. When the particle makes an angle phi with the horizontal. Its speed changes to v :

A projectile is thrown with a speed v at an angle theta with the vertical. Its average velocity between the instants it crosses half the maximum height is

A projectile is thrown upward with a velocity v_(0) at an angle alpha to the horizontal. The change in velocity of the projectile when it strikes the same horizontal plane is