The orbits of short period comets are : a. primarily in the plane of the ecliptic and can extend far out beyond the orbit of Pluto.
b. primarily in the plane of the ecliptic and confined to distances closer to the Sun than approximately the orbit of Pluto.
c. randomly oriented in the solar system and confined to distances closer to the Sun than approximately the orbit of Pluto.
d. randomly oriented in the solar system and can extend far beyond the orbit of Pluto.

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.