The peculiar system SS 433 I. is emitting beams of energy and matter. II. is producing a spectrum with both a red and a blue shift. III. probably contains an accretion disk. IV. is the result of a planetary nebula
a. I
b. III
c. II & III
d. I, II, & III
e. I, II, III, & IV
d
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A spherical volume of space has an electric field of intensity 170 N/C directed radially outward from it surface of radius 0.600 m. What is the net charge enclosed within this surface?
a. –6.8 nC c. 4.0 nC b. –4.0 nC d. 6.8 nC
The ______________is the basic building block of a polymer.
Fill in the blank(s) with the appropriate word(s).
The postulate(s) of special are (is)
A. the speed of light is the same in all inertial reference frames. B. E0= mc2. C. the principle of conservation of momentum is true. D. the laws of physics are the same in all inertial reference frames. E. the principle of conservation of energy is true.
A lamp radiates 75. J/s when the room is set on 27°C but it radiates 90. J/s when the room temperature drops to 10.°C. What is the temperature of the lamp?
A) 86.°C B) 97.°C C) 86. K D) 110.°C E) 97. K