The first probe carrying mankind's message to alien civilizations was:
A) Sputnik I.
B) Mariner 4.
C) Pioneer 10.
D) Voyager I.
E) New Horizons.
C
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A 4.0-?C charge is situated at the origin of an xy-coordinate system. What is the potential difference between a point x = 4.0 m and y = -4.0 m because of this charge?
A) 18 × 103 V B) -18 × 103 V C) 0 V D) 36 × 103 V E) -36 × 103 V
A solar eclipse occurs at or near the time of a
a. first-quarter moon. b. last-quarter moon. c. new moon. d. full moon.
Consider a uniform horizontal electric field of 50 N/C directed toward the east. If the electric potential at a given point in the field is 80 V, what is the potential at a point 1.0 m directly south of that point?
A) 50 V B) 30 V C) 0 V D) 80 V
Describe the conditions of Earth during the Precambrian
What will be an ideal response?