Questions in Motion in A Plane

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The horizontal range is four times the maximum height attained by a projectile. The angle of projection is
A ball is projected with kinetic energy $E$ at an angle of ${45^o}$ to the horizontal. At the highest point during its flight, its kinetic energy will be
A particle of mass $m$ is projected with velocity $v$ making an angle of ${45^o}$with the horizontal. The magnitude of the angular momentum of the particle about the point of projection when the particle is at its maximum height is (where $g = $ acceleration due to gravity)
A particle reaches its highest point when it has covered exactly one half of its horizontal range. The corresponding point on the displacement time graph is characterised by
At the top of the trajectory of a projectile, the acceleration is
When a body is thrown with a velocity $u$ making an angle $\theta $ with the horizontal plane, the maximum distance covered by it in horizontal direction is
A football player throws a ball with a velocity of 50 metre/sec at an angle 30 degrees from the horizontal. The ball remains in the air for $(g = 10\,m/{s^2})$
A body of mass 0.5 kg is projected under gravity with a speed of 98 m/s at an angle of ${30^o}$ with the horizontal. The change in momentum (in magnitude) of the body is
A body is projected at such an angle that the horizontal range is three times the greatest height. The angle of projection is
A gun is aimed at a target in a line of its barrel. The target is released and allowed to fall under gravity at the same instant the gun is fired. The bullet will

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