A wooden beam 10 meters long has a uniformly distributed mass of 200 kg and is supported by two scales, one at the extreme left end and the second at the extreme right end. An additional 50 kg weight is placed on the beam 2 meters from the left end. What does the scale on the left end read for the weight supported

Abaseball is thrown from the outfield toward the catcher. when the ball reaches its highest point, which statement is true? (a)its velocity is not zero, but its acceleration is zero. (b) its velocity and its acceleration are both zero. (c) its velocity is perpendicular to its acceleration. (d) its acceleration depends on the angle at which the ball was thrown. (e) none of the above statements are true.