A mosquito flying at 3 m/s encounters a 3-m/s breeze blowing in the same direction, which gives it a resulting speed over the ground of
A) 0 m/s.
B) 3 m/s.
C) 4 m/s.
D) 6 m/s.
Answer: D
Physics & Space Science
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Two charges lie on the x axis, +2q at the origin, and ?3q at x = 5.0 m. The point on the x axis where the electric potential has a zero value (when the value at infinity is also zero) is
a. 1.0 m. b. 2.0 m. c. 2.5 m. d. 3.0 m. e. 4.0 m.
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An object placed at a distance closer to a converging lens than the focal point always produces an image that is
A. The same size as the object B. Smaller than the object C. Virtual D. Inverted
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Mars' average distance from the Sun is 1.5 AU and the Earth's is 1 AU, so
What will be an ideal response?
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