What is a polymorph?
What will be an ideal response?
Two different minerals that may have the same chemical formula but different crystal structures.
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Which of these represents an example of simple harmonic motion?
(i) a bouncing ball (ii) a marble rolling back and forth in a concave bowl (iii) a tree branch vibrating (iv) someone walking back and forth across a room, dozens of times
1.all of them 2.(i) and (iv) 3.(ii) and (iii) 4.(i) and (iii)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
In the 1950s a plot of the position of the magnetic north pole through time revealed that
A) either the magnetic poles had migrated through time or the continents had moved. B) polar magnetization varied from pole to pole. C) over the past 500 million years the geographic poles changed position at least once or twice. D) all of the above.
The angular velocity of a 755-g wheel 15.0 cm in diameter is given by the equation ?(t) = (2.00 rad/s2)t + (1.00 rad/s4)t3
(a) Through how many radians does the wheel turn during the first 2.00 s of its motion? (b) What is the angular acceleration (in rad/s2) of the wheel at the end of the first 2.00 s of its motion? What will be an ideal response?