Banked Curves: What is the proper banking angle for an Olympic bobsled to negotiate a 100-m radius turn at 35 m/s without skidding?
A. 31°
B. 41°
C. 51°
D. 61°
Answer: C
Physics & Space Science
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On an H-R diagram, stellar radii
A) are greatest in the lower left and least in the upper right. B) decrease from left to right. C) are impossible to determine. D) increase diagonally from the lower left to the upper right.
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The most abundant gas in Earth's atmosphere is oxygen
Indicate whether the statement is true or false
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Propene and cyclopropane are
a. the same compound. b. isomers. c. neither isomers nor the same compound.
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The "surface" of a black hole is known as the _______________
a. core b. corona c. photosphere d. event horizon
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