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Answer the following statement true (T) or false (F)
False
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Based on the graph above, a planet with twice the mass of Jupiter would have a radius that is
A) about twice the radius of Jupiter. B) about 5% larger than the radius of Jupiter. C) about half the radius of Jupiter. D) about 10% smaller than the radius of Jupiter.
A rock dropped from a 5-m height accelerates at 10 m/s2 and strikes the ground 1 s later. If the rock is dropped from a height of 2.5 m, its acceleration of fall is
A) half. B) the same. C) twice. D) four times as much.
An important feature of red sunsets is the
A) scattering of lower frequencies by larger particles in the air. B) longer path of air through which sunlight travels. C) lower frequencies of light emitted late in the day by the Sun. D) absorption effects of the smaller particles in the air.
An electron orbiting a hydrogen atom in the second energy level drops down a level, and a photon is emitted. What is the frequency of the photon? (Planck's constant, h, should be in units of eV.)