Which is more massive?
A. Earth (a solid object)
B. the Sun (a gaseous giant)
Answer: B
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The impact of which comet helped establish the importance of impacts in our solar system?
A) Kohoutek B) Hale-Bopp C) Halley's Comet D) Comet ISON E) Shoemaker-Levy 9
Like our Moon and most others, all four large Jovian satellites have one side constantly fixed toward Jupiter as they revolve and rotate
Indicate whether the statement is true or false
In Figure 6-2 the scale at left is attached to the ceiling and a mass of 1.00 kg hangs from it. It reads 9.81 N. The identical scale at the right is connected by perfect strings passing over perfect pulleys to two 1.00 kg masses hanging vertically at the end of the strings. The scale at right reads
A. exactly 9.81 N.
B. less than 9.81 N
D. more than 9.81 N,
E. more than 19.62 N
A linear charge of nonuniform density ? = bx, where b = 2.1 nC/m2, is distributed along the x axis from x = 2.0 m to x = 3.0 m. Determine the electric potential (relative to zero at infinity) of the point y = 4.0 m on the y axis.
A. 36 V B. 95 V C. 10 V D. 17 V E. 15 V