Ga rock is suspended from a string, and it accelerates downward. which one of the following statements is correct? group of answer choices the magnitude of the tension in the string is greater than the magnitude of the weight of the rock. the magnitude of the tension in the string is independent of the magnitude of the rock's acceleration.. the magnitude of the tension in the string is equal to the magnitude of the weight of the rock. the string pushes downward on the rock. the magnitude of the tension in the string is less than the magnitude of the weight of the rock.

Aball is thrown from the top of a building with an initial velocity of 21.9 m/s straight upward, at an initial height of 51.6 m above the ground. the ball just misses the edge of the roof on its way down, as shown in the figure. (a) determine the time needed for the ball to reach its maximum height. (b) determine the maximum height. (c) determine the time needed for the ball to return to the height from which it was thrown, and the velocity of the ball at that instant. (d) determine the time needed for the ball to reach the ground. (e) determine the velocity and position of the ball at t = 5.35 s.