ringo

A rifle with a muzzle velocity of Vo shoots a bullet at a target R ft away. How high above the target must the rifle be aimed so that the bullet will hit the target?

A jetliner with an airspeed of 1000 kmlhr sets out on a 1500 km flight due south. To maintain a southward direction, however, the plane must be pointed fifteen degrees west of south. Ifthe flight takes 1 00 min, what is the wind velocity?

A freight train is moving at a constant speed of Vt. A man standing on a flatcar throws a ball into the air and catches it as it falls. Relative to the flatcar, the initial vellocity of the ball is Vib straight up. a. What are the magnitude and direction...