# How is it that both an apple that breaks lose from a

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Chapter 2 / Exercise 96
Elementary Algebra
Tussy/Gustafson
Expert Verified
20. How is it that both an apple, that breaks lose from a tree, and the Moon are falling, when the apple is on a collision course with the ground while the Moon remains in its orbit? (a) The Moon is moving in a straight line away from the Earth while the apple is moving in a straight line towards the Earth. (b) The Moon has a component of velocity perpendicular to the line joining the Moon and the Earth that the falling apple does not have. (c) Neither the Moon nor the apple has a component of velocity perpendicular to the line joining the Moon and Earth. (d) The Earth’s gravitational force pulls on the apple and not on the Moon.
21. Which of the following is the statement of Newtonian/Galilean Relativity?
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Chapter 2 / Exercise 96
Elementary Algebra
Tussy/Gustafson
Expert Verified
22. Which is consistent with the statement of Newtonian/Galilean Relativity?
23. Which of the following is true of a wave?
24. In a ripple tank, when one crest and one trough is sent every 1/20 of a second, the wavelength is 6 centimeters. What is the speed of the wave? (a) 5/6 centimeters/second (b) 6 centimeters/second (c) 30 seconds/centimeter (d) 120 centimeters/second
25. Oersted showed in his experiment that
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