Jovian planets
a. have rings and large numbers of moons.
b. all have many moons, but only Saturn has rings.
c. have moons, but Uranus and Neptune have only one or two.
e. are massive and rotate slowly.
Ans: a. have rings and large numbers of moons.
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The Sun's habitable zone ________
A) extends from some place a little beyond the orbit of Venus to some place near the orbit of Mars B) extends from the orbit of Earth to the orbit of Jupiter C) consists only of Earth, since Earth is the only planet known to be inhabited D) extends from just beyond the orbit of Mercury to just beyond Earth's orbit
An air-track cart is attached to a spring and completes one oscillation every 5.67 s. At t = 0 s the cart is released at a distance of 0.250 m from its equilibrium position. What is the position of the cart when t = 29.6 s?
A) x = 0.0460 m B) x = 0.210 m C) x = 0.218 m D) x = 0.342 m E) x = -0.218 m
To calculate the pressure in the standard atmosphere at 6000 m, the lapse rate is used. The percentage error, considering the pressure is nearest:
(A) 0.08% (B) 0.13% (C) 0.24% (D) 0.31%
Suppose that the speed of an electron traveling 1.0 km/s is known to an accuracy of 1 part in 105 (i.e., within 0.01%). What is the greatest possible accuracy within which we can determine the position of this electron?
What will be an ideal response?