Solar tides are not as strong as lunar tides mostly because the Sun is much farther away than the Moon.
Answer the following statement true (T) or false (F)
True
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A man is moving by you at a speed close to the speed of light. Which of the following correctly summarizes the effects you would notice on his mass, size, and time?
A) His mass would be increased from its value at rest, his length would be decreased from its rest value but only in the direction in which he is moving, and his time would be running slower than yours. B) His mass would be increased from its value at rest, his length, width, and height would all be decreased no matter what direction he is moving, and his time would be running slower than yours. C) His mass would be decreased from its value at rest, his length would be decreased from its rest value but only in the direction in which he is moving, and his time would be running slower than yours. D) His mass would be increased from its value at rest, his size would be increased, and his time would be running slower than yours.
During the inflation that started at about 10^-37 seconds after the Big Bang, the universe expanded by:
a. up to 10^50 in as little as 10^-47 seconds. b. up to 10^42 in as little as 10^-40 seconds. c. up to 10^30 in as little as 10^-36 seconds. d. by about a factor of 10 up to the present time. e. by no significant amount.
On any clear night, you can see 3 to 15 meteors per hour
a. True b. False Indicate whether the statement is true or false
LC Circuits: A series circuit contains an 80-?F capacitor, a 0.020-H inductor, and a switch. The resistance of the circuit is negligible. Initially, the switch is open, the capacitor voltage is 50 V, and the current in the inductor is zero. At time t = 0 s, the switch is closed. When the potential across the capacitor is 30 V, what is the rate of change of the current?
A. 1000 A/s B. 1500 A/s C. 2000 A/s D. 2500 A/s E. 3000 A/s