Which planet can we see occasionally transit across the face of the Sun?
A) Mercury
B) Mars
C) Jupiter
D) Uranus
E) all of the above
A
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The force that acts between a pair of magnetic poles depends on
A) magnetic pole strength. B) separation distance. C) both of these D) neither of these
Which of the following is not a scalar quantity?
a. Kinetic energy b. Potential energy c. Power d. Work e. None of these; that is, they are all scalar quantities.
In order to determine the mass of a planet by applying Newton's laws of motion and gravity, the planet must have:
A) rings. B) moons. C) a solid surface. D) a known size and distance from Earth. E) planets further from the Sun than itself.
In a certain electroplating process gold is deposited by using a current of 14.0 A for 19 minutes. A gold ion, Au+, has a mass of approximately 3.3 × 10-22 g. How many grams of gold are deposited by this process?
A) 33 g B) 16 g C) 22 g D) 28 g E) 97 g