The granules in the photosphere are about as big as Texas, or around 1,000 km across
Indicate whether the statement is true or false
TRUE
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Why doesn't the Moon fall toward Earth like apples do?
A) the great distance of the Moon prevents falling B) moon's small mass prevents falling C) moon does fall but its great distance keeps it from getting closer D) moon does fall but due to its tangential motion it also falls around Earth
Two tuning forks with frequencies 264 and 262 Hz produce "beats". What is the beat frequency (in Hz)?
a. 4 b. 2 c. 1 d. 3 e. 0 (no beats are produced)
What is the magnetic moment of a rectangular loop of 120 turns that carries 6.0 A if its dimensions are 4.0 cm × 8.0 cm?
A) 0.023 A?m2 B) 0.23 A?m2 C) 2.3 A?m2 D) 23 A?m2 E) 230 A?m2
At what rate is thermal energy generated in the 20-? resistor when ? = 20 V?
A. 6.5 W B. 1.6 W C. 15 W D. 26 W E. 5.7 W