The amount of energy a photon carries depends on its wavelength
a. True
b. False
Indicate whether the statement is true or false
True
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The largest shield volcano yet discovered is
A) Maxwell Mons on Venus. B) Kilimanjaro on Earth. C) Olympus Mons on Mars. D) Prometheus on Io. E) Caloris on Mercury.
A normal force
A. is any everyday force B. is the gravitational force C. acts perpendicular to the surface D. is always equal to the weight of an object.
Velocity Addition: Three spaceships A, B, and C are in motion as shown in the figure. The commander on ship B observes ship C approaching with a relative velocity of 0.82c. The commander also observes ship A, advancing in the rear, with a relative velocity of 0.50c. What is the speed of ship C as measured by the captain of ship A?
A. 0.94c B. 0.23c C. 2.2c D. 0.54c E. 1.3c
How long, approximately, do geologists estimate it takes for the entire seafloor to be replaced due to plate tectonics?
A) 2 million years B) 20 million years C) 200 million years D) 2 billion years E) longer than the age of the solar system