As a particle travels faster, its de Broglie wavelength
A)
increases.
B)
decreases.
C)
remains constant.
D)
could be any of the given answers; it depends on other factors.
B
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Uniform Circular Motion: A runner runs on a circular path of radius 10 m. What is the magnitude of the displacement of the jogger if he runs(a) half-way around the track?(b) all the way around the track?
Fill in the blank(s) with the appropriate word(s).
A satellite that weighs 4900 N on the launchpad travels around the earth's equator in a circular orbit with a period of 1.667 h. The earth's mass is 5.97 × 1024 kg, its equatorial radius is 6.3 × 106 m, and G = 6.67 × 10-11 N ? m2/kg2
(a) Calculate the magnitude of the earth's gravitational force on the satellite. (b) Determine the altitude of the satellite above the Earth's SURFACE. What will be an ideal response?
The Greenhouse Effect works by trapping
A) incoming ultraviolet radiation from the Sun. B) outgoing ultraviolet radiation from the Earth. C) incoming infrared radiation from the Sun. D) outgoing infrared radiation from the Earth. E) the heat from the Sun in Earth's atmosphere.
What is the rms speed of a helium atom:
(a) at 5. K? (b) at -196.° C (the boiling point of N2)? (c) at 100.° C?