Gravity on the moon is about one-sixth of gravity on Earth. An astronaut standing on a
Chapter 5, Problem 26(choose chapter or problem)
Gravity on the moon is about one-sixth of gravity on Earth. An astronaut standing on a tower 20 feet above the moons surface throws a ball upward with a velocity of 30 feet per second. The height of the ball at any time t (in seconds) is h(t) 5 22.67t 2 1 30t 1 20. To the nearest tenth of a second, how long will it take for the ball to hit the ground?
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