An intermediately wound barred spiral galaxy would, in Hubble's system, be:
A) BS2.
B) BSE.5.
C) SBb.
D) S2B.
E) SIrr.
C
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How thick are Saturn's rings from top to bottom?
A) a few million kilometers B) a few tens of thousands of kilometers C) a few hundred kilometers D) a few kilometers E) a few tens of meters
A bird, accelerating from rest at a constant rate, experiences a displacement of 37 m in 11 s. What is the final velocity after 11 s?
a. 6.7 m/s c. 13 m/s b. 5.1 m/s d. zero
Banked Curves: Two cars go around a banked curve at the proper speed for the banking angle. One car has tires with excellent traction, while the other car has bald slippery tires. Which of these cars is more likely to slide on the pavement as it goes around the curve?
A. the car with the new tires B. the car with the bald tires C. Neither car will slide. D. It depends on if the pavement is wet or dry.
A(n) ____________________ Moon rises in the eastern sky approximately as Sun sets
Fill in the blank(s) with correct word