Sedna, with a perihelion three times farther out than Pluto, and a period of thousands of years, is just a typical Kuiper Belt body
Indicate whether the statement is true or false
FALSE
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If the Moon is setting at 6 A.M., the phase of the Moon must be
A) first quarter. B) third quarter. C) full. D) new. E) waning crescent.
An old LP record that is originally rotating at 33.3 rad/s is given a uniform angular acceleration of 2.15 rad/s2. Through what angle has the record turned when its angular speed reaches 72.0 rad/s?
A) 83.2 rad B) 316 rad C) 697 rad D) 66.8 rad E) 948 rad
A charge of 80 nC is uniformly distributed along the x axis from x = 0 to x = 2.0 m. Determine the magnitude of the electric field at a point on the x axis with x = 8.0 m.
A. 30 N/C B. 15 N/C C. 48 N/C D. 90 N/C E. 60 N/C
Why does the bulb light when connected as in the figure at the right, but not in the situation shown in the figure at the left?
a. The bulb in the figure at left is connected to the wrong side of the battery. b. For electric current to flow continuously through the bulb, there must be a connection between the positive and the negative terminals of the battery. c. By connecting to only one terminal the bulb in the figure at left gets only half as much voltage as the bulb on the right. d. There is no way for electrical energy to flow out of the bulb, so it blocks the energy flow. e. Unlike household electricity, low voltage batteries cannot force electricity through the bulb without having a return path.