A ball is thrown straight up with some initial speed, when it reaches the top of its flight (at height h), a second ball is thrown upward with the same initial speed. Where will the balls cross paths? A.) Below halfway point B.) At halfway point C.) Above halfway point.A mass (m) is placed on an inclined plane and slides down the plane at constant speed. If similar block with 2m was placed on same incline, it would: A.) Slide down at constant speed B.) Slide down at constant velocity C.) Slide down with a constant acceleration.In the game of tetherball, the struck ball whirls around a pole. In what direction does net force on the ball point? A.) Along the vertical component of the tension B.) Along the horizontal component of the tension force C.) Along the hypotenuse of the tension force