Much of Europa's surface appears chaotic and clogged with huge iceberg-like blocks. This is consistent with
A) a thin icy crust that has been broken into pieces by tidal forces below which is a subsurface ocean of water
B) the surface thawing due to heat emitted by Jupiter
C) the breaking up of the surface due to plate tectonics
D) a giant impact that has recently shattered the crust into pieces
A
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Jupiter's _______________ shows that the planet cannot be as rigid as a Terrestrial planet
Fill in the blank(s) with correct word
Equilibrium: Inside of a train a ball of weight W is hanging by a light wire at rest from the ceiling. The wire makes an angle ? with the ceiling, as shown in the figure. Which one of the following conditions must be true about the tension T in the wire?
A. T sin ? = W B. T cos ? = W C. T tan ? = W D. T = W E. T = ma
A force of is exerted tangentially to a wheel of radius 0.340 m and causes an angular acceleration of 1.20 rad/s2. What is the moment of inertia of the wheel?
A) 4.78 kg ? m2 B) 3.59 kg ? m2 C) 5.98 kg ? m2 D) 7.17 kg ? m2
The image formed by a concave mirror when the object distance is greater than the focal length is always
A. at a distance greater than the focal length. B. real. C. right side up. D. virtual.