What is the Great Red Spot?
A) a hurricane that comes and goes on Jupiter
B) a long-lived, high-pressure storm on Jupiter
C) a place where reddish particles from Io impact Jupiter's surface
D) a region on Jupiter where the temperature is so high that the gas glows with red visible light
B
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Cathode rays are
A. x-rays.
B. 
-rays.
C. electrons.
D. protons.
E. neutrons.
A point charge of 3.00 ?C is located on the y-axis at y = 4.0 m, another point charge of 6.0 ?C is located on the x-axis at x = 5.0 m, and a third charge of 7.2 ?C is located at (5.0 m, 4.0 m). What is the magnitude of the force on the 7.2 ?C charge?
A. 
B. 
C. 
D. 
E. 
Which of the following statements about the asteroid belt is not true?
A) The combined mass of all the asteroids is roughly the same as the mass of Earth. B) It is located between the orbits of Mars and Jupiter. C) Asteroids in the asteroid belt orbit the Sun in the same direction that planets orbit the Sun. D) Asteroids in the asteroid belt are made mostly of rock.
If a force on an object is aimed perpendicular to the direction of the object's velocity, the force does
a. no work c. negative work b. positive work d. any of the above