A body is projected with a speed v at an angle `theta` with horizontal to have maximum range. What is the velocity at the highest’ point?

What is the velocity of a projectile at the highest point?

A projectile is fired with a velocity V making an angle theta with the horizontal. Show that its trajectory is parabolic.

Two bodies are projected at an angle theta and (90 - theta) to the horizontal with the same speed. Find the ration of their time of flight.

A body is projected so that it has maximum range R. What is the maximum height reached during the flight.

Find the range of projectile. At what elevation angle the range will be maximum?

A charged particle of mass m and charge q is projected with velocity nu making in angle theta with the direction of a uniform magnetic field of induction B. Find the expression for- Time period of revolution

A charged particle of mass m and charge q is projected with velocity nu making in angle theta with the direction of a uniform magnetic field of induction B. Find the expression for- Pitch of the helical path followed by the particle.

A body is projected downward at an angle 60^@ with the horizontal with a velocity 9.8 ms^-1 form building 20m high. How long will it take before striking the ground.

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

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.