The Phanerozoic eon is divided into three main
A) epochs
B) periods
C) eras
D) ages
C
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Because of the Coriolis force, a wind in the Northern Hemisphere is deflected
A) upward. B) downward. C) toward the right. D) toward the left.
The outward pressure of hot gas in the Sun:
A) is balanced by the inward gravitational pressure. B) is increasing the Sun's diameter. C) is cooling the photosphere. D) is responsible for variations in the sunspot cycle. E) weakens the magnetic field.
A physicist claims that she has found a new particle with a mass 200 000 times the mass of the proton (1.67 × 10^?27 kg) and a charge of 3.20 × 10^?19 C. If she is correct, such a particle traveling in a circle in a uniform 5.00 T magnetic field at a velocity of 2 500 m/s will have a radius of
a. 0.261 m. b. 0.522 m. c. 1.04 m. d. 3.27 m. e. 3.13 × 10^26 m.
A 1.00 kg mass is connected to a spring with a spring constant of 9.00 N/m. If the initial velocity is 4.00 cm/s and the initial displacement is 0.00 cm, then what is the maximum displacement of the simple harmonic motion?
A. 2.67 cm B. 2.33 cm C. 2.05 cm D. 1.67 cm E. 1.33 cm