What conditions must be met for complete destructive interference between two waves?
For complete destructive interference between two waves, they must be 180° out of
phase at all times. The two waves must also have the same amplitude, the same
wavelength, and be traveling in the same direction.
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Kepler's second law implies that
a. a planet should move at its greatest speed when it is closest to the sun. b. the most massive planets will have the greatest speed in their orbits. c. the speed of a planet in its orbit depends on the size of the epicycle. d. the mass of the planet determines how far the planet is from the sun. e. the deferent and the epicycle have to be attached to the sun and not Earth.
If the atmosphere’s “optical thickness” n depended on the ratio of the concentrations to the first power instead of to the 1/2 power in equation T10.8a, would this accelerate or brake the warming compared to the model in the text?
Equation T10.8a:
A. Accelerate
B. Brake
C. No change
Suppose you lived on the Moon near the center of the face that we see from Earth. At what phase of the Moon would you see sunrise? What phase of Earth would you see at this time?
What will be an ideal response?
All forces have specific directions associated with them
Indicate whether the statement is true or false