Uranus never grew massive enough to capture large amounts of gas from the solar nebula as Jupiter and Saturn did, so it has much less hydrogen and helium
Indicate whether the statement is true or false
True
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An object is located inside a thin, uniform density spherical shell. At what locations would the object not be subject to a net gravitational force?
A) only against the inside boundary of the shell B) only at locations on a sphere that is one-half the inside radius of the shell C) anywhere within the shell D) only at locations on a sphere that is one-half the mean radius of the shell E) only at the center of the shell
A mass is suspended vertically from a spring so it is at rest at the equilibrium position. The mass is pulled straight down to an extension x and released so that it oscillates about the equilibrium position. The acceleration is greatest in magnitude and directed upward when the mass is
A. at its maximum upward travel. B. at the equilibrium point. C. at its maximum lower travel. D. somewhere between the equilibrium point and maximum extension.
What is the wavelength of the photon emitted when an electron in a hydrogen atom which is in the initial state n = 4 jumps to the final state n = 2?
(c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ? s, 1 eV = 1.60 × 10-19 J) A) 243 nm B) 486 nm C) 556 nm D) 609 nm E) 312 nm
In an elastic collision between two bodies of equal mass, with body 2 initially at rest, body 1 moves off at angle q relative to the direction of its initial velocity and body 2 at angle f. The sine of the sum of q and f, sin(q + f), is equal to
a. 0. b. 0.500. c. 0.707. d. 0.866. e. 1.00.