# Astro set 1

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1. Suppose you drop a 10-pound weight and a 5-pound weight on the Moon, both from the same height at the same time. What will happen?
Both will hit the ground at the same time.
2. Suppose you kick a soccer ball straight up to a height of 10 meters. Which of the following is true about the gravitational potential energy of the ball during its flight?
The ball's gravitational potential energy is greatest at the instant when the ball is at its highest point.
3. If an object's velocity is doubled, its momentum is
doubled
4. If your mass is 60 kg on Earth, what would your mass be on the Moon?
60kg
5. The force of gravity is an inverse square law. This means that, if you double the distance between two large masses, the gravitational force between them
weakens by a factor of 4.
6. Newton's Second Law of Motion tells us that the net force applied to an object equals its ________.
mass times acceleration
7. Absolute zero is ________.
0 Kelvin
 Author: dwrght16 ID: 299200 Card Set: Astro set 1 Updated: 2015-03-26 01:12:14 Tags: Astro set Folders: Astro Description: exam 2 Show Answers: