A particle is thrown with speed `u` at an angle `alpha` with horizontal from the ground. After how much time, the velocity of particle will make an angle `beta` with horizontal.

A particle is thrown with a speed u at an angle theta with horizontal. After how much time the velocity of particle will be perpendicular to the initial motion of direction

A particle is projected with velocity 50 m/s at an angle 60^(@) with the horizontal from the ground. The time after which its velocity will make an angle 45^(@) with the horizontal is

A particle is projected with velocity 50 m/s at an angle 60^(@) with the horizontal from the ground. The time after which its velocity will make an angle 45^(@) with the horizontal is

A projectile is thrown with a velocity of 20 m//s, at an angle of 60^(@) with the horizontal. After how much time the velocity vector will make an angle of 45^(@) with the horizontal (in upward direction) is (take g= 10m//s^(2))-

A projectile is thrown with a velocity of 20 m//s, at an angle of 60^(@) with the horizontal. After how much time the velocity vector will make an angle of 45^(@) with the horizontal (in upward direction) is (take g= 10m//s^(2))-

A particle is thrown with speed u at an angle theta with horizontal. Find the average velocity of particle: (a) O to C (b) A to B ( c) O to H

A particle is projected with speed 20m s^(-1) at an angle 30^@ With horizontal. After how much time the angle between velocity and acceleration will be 90^@

A particle is projected with speed 20m s^(-1) at an angle 30^@ With horizontal. After how much time the angle between velocity and acceleration will be 90^@

A particle is thrown with the speed u at an angle alpha with the horizontal. When the particle makes an angle beta the horizontal , its speed will be

A ball is thrown with speed u at an angle theta with horizontally. After how much time it will move perpendicular to the initial direction of motion.