A radio station broadcast at a frequency of 300 kilohertz if the speed of the wave is 3 * 10 raise to power 8 metre per second calculate the period of wavelength of the wave
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Which statement is true? a. kepler's laws apply only to the motion of earth. b. kepler's laws can be used to predict eclipses. c. kepler's laws are true for a central force that is directly proportional to distance. d. kepler's laws can be deduced from newton's laws of motion and gravity.

The dot diagram represents the motion of the motorcycle as it moves from left to right

What’s #16 asking me and how do i solve it?