A projectill is projected at an angle `(alpha gt 45^(@))` with an initial velocity u. The time t, at which its magnitude of horizontal velocity will equal the magnitude of vertical velocity is :-

A projectile is projected at an angle alpha with an initial velocity u. The time t, at which its horizontal velocity will equal the vertical velocity for the first time

A projectile is projected at an angle alpha with an initial velocity u. The time t, at which its horizontal velocity will equal the vertical velocity for the first time

A particle is projected with a speed v and an angle theta to the horizontal. After a time t, the magnitude of the instantaneous velocity is equal to the magnitude of the average velocity from 0 to t. Find t.

A particle is projected with a speed v and an angle theta to the horizontal. After a time t, the magnitude of the instantaneous velocity is equal to the magnitude of the average velocity from 0 to t. Find t.

A particle is projected with a speed v and an angle theta to the horizontal. After a time t, the magnitude of the instantaneous velocity is equal to the magnitude of the average velocity from 0 to t. Find t.

A particle of mass m is projected at an angle alpha to the horizontal with an initial velocity u . The work done by gravity during the time it reaches its highest point is

A particle of mass m is projected at an angle alpha to the horizontal with an initial velocity u . The work done by gravity during the time it reaches its highest point is

A particle is projected from ground at angle 45^@ with initial velocity 20(sqrt2) m//s . Find (a) change in velocity, (b) magnitude of average velocity in a time interval from t=0 to t=3s .

When a projectile is fired at an angle theta w.r.t horizontal with velocity u, then its vertical component: