A certain test car can go from rest to 32.0 m/s in 3.88 s. The same car can come to a full stop from that speed in 4.14 s. What is the ratio of the magnitude of the starting acceleration to the stopping acceleration?
A) 0.937
B) 1.07
C) 0.878
D) 1.14
B
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Capacitors in Combination: When two or more different capacitors are connected in series across a potential source, which of the following statements must be true? (There could be more than one correct choice.)
A. The total voltage across the combination is the algebraic sum of the voltages across the individual capacitors. B. Each capacitor carries the same amount of charge. C. The equivalent capacitance of the combination is less than the capacitance of any of the capacitors. D. The potential difference across each capacitor is the same. E. The capacitor with the largest capacitance has the most charge.
What is the primary reason why scientists accept the idea that the speed of light is the same for everyone?
A) because it has been verified by many observations and experiments B) because it makes sense when you think about it as Einstein did C) because no one has come up with a better idea about the speed of light D) because the theory is just so darn cool, it can't be wrong
The three stars of the Summer Triangle are
A) Antares, Arcturus, and Spica. B) Arcturus, Vega, and Algol. C) Deneb, Spica, and Vega. D) Vega, Deneb, and Altair. E) Altair, Antares, and Arcturus.
If two slide projectors are connected in series across the same 120 volt source, the current drawn from the source is __________
Fill in the blank(s) with correct word