A stone is projected from ground. Its path is a shown in figure. At which point its speed is decreasing at fastest rate?

A particle is projected from ground at an angle theta with horizontal with speed u. The ratio of radius of curvature of its trajectory at point of projection to radius of curvature at maximum height is -

A particle is projected from ground at an angle theta with horizontal with speed u. The ratio of radius of curvature of its trajectory at point of projection to radius of curvature at maximum height is -

At which point on its path a projectile has the smallest speed?

At which point on its path a projectile has the smallest speed?

If a stone projected from ground, takes 4 s to reach the topmost point, of its trajectory, then time of fight is

If a stone projected from ground, takes 4 s to reach the topmost point, of its trajectory, then time of fight is

Two stones are projected from level ground. Trajectory of two stones are shown in figure. Both stones have same maximum heights above level ground as shown. Let T_(1) and T_(2) be their time of flights and u_(1) and u_(2) be their speeds of projection respectively (neglect air resistance). then

Two stones are projected from level ground. Trajectory of two stones are shown in figure. Both stones have same maximum heights above level ground as shown. Let T_(1) and T_(2) be their time of flights and u_(1) and u_(2) be their speeds of projection respectively (neglect air resistance). then

A ball is projected from a point O as shown in figure. It will strike the ground after (g = 10 m//s^(2))

A ball is projected from a point O as shown in figure it will strike the ground after (g = 10 m/ s^(2) )