Orbital resonance also gives Europa an elliptical orbit, so it experiences tidal heating, too. However, Europa experiences less tidal heating than Io, because Europa __________ than Io.
a. is farther from Jupiter
b. is much smaller
c. is more perfectly spherical in shape
d. contains much more ice
Answer : a. is farther from Jupiter
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A generator has 200 turns of wire on a coil of radius 2.00 cm. What rotational speed is necessary to produce an emf of amplitude 4.50 V if the magnetic field in the region of the coil is 0.180 T?
A. 60.0 rad/s B. 16.0 rpm C. 100 rpm D. 500 rpm E. 950 rpm
Light strikes a 5.0-cm thick sheet of glass at an angle of incidence in air of 50°. The sheet has parallel faces and the glass has an index of refraction 1.50
(a) What is the angle of refraction in the glass? (b) After traveling through the glass the light re-emerges into the air. What is the final angle of refraction in air? (c) As it leaves the glass, by what distance is the path of the ray is displaced from what it was before entering the glass?
Which of the following wavelengths could NOT be present as a standing wave in a 2-m-long organ pipe open at both ends?
a. 4 m b. 2 m c. 1 m d. 0.89 m e. 0.5 m
The xy plane is "painted" with a uniform surface charge density which is equal to 40 nC/m2 . Consider a spherical surface with a 4.0-cm radius that has a point in the xy plane as its center. What is the electric flux through that part of the spherical surface for which z > 0?
a. 14 N × m2/C b. 11 N × m2/C c. 17 N × m2/C d. 20 N × m2/C e. 23 N × m2/C