The majority of Earth's atmosphere is found within which atmospheric layer?
A. stratosphere
B. van Allen Belts
C. troposphere
D. ionosphere
E. ozone layer
Answer: C
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Uniform Electric Fields: A uniform electric field, with a magnitude of 500 V/m, is points in the +x direction. If the potential at x = 5.0 m is 2500 V, what is the potential at x = 2.0 m?
A. 0.50 kV B. 1.0 kV C. 2.0 kV D. 4.0 kV E. 5.0 kV
The figure shows the velocity of a particle as it travels along the x-axis. What is the direction of the acceleration at t = 0.5 s?
A) in the +x direction B) in the -x direction C) The acceleration is zero.
A planet has mass M = 8.00 × 10^23 kg. At what distance will the centripetal acceleration of an orbiting space station be equal to the gravitational acceleration on Earth's surface? (G = 6.67 × 10^–11 m3·kg–1·s–1)
a. 2.33 × 10^6 m b. 5.44 × 10^12 m c. 5.23 × 10^14 m d. 1.18 × 10^35 m
Two windowpanes are being compared for their heat conduction. The second windowpane has twice the width, twice the height, and twice the thickness of glass of the first windowpane.How would the heat flow through the second windowpane compare to that of the first
a. They both would have the same amount. b. The second one would have double that of the first. c. The second one would have quadruple that of the first. d. The second one would have eight times that of the first.