When spearing a fish with a regular spear, to compensate for refraction, throw your spear
A) directly at the sighted fish.
B) above the sighted fish.
C) below the sighted fish.
Answer: C
Physics & Space Science
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If the amplitude of a system moving in simple harmonic motion is doubled, which of the following quantities doesn’t change?
1.total energy 2.maximum speed 3.maximum acceleration 4.period
Physics & Space Science
The planet with the largest volcano in the solar system is
a. Earth. b. Mars. c. Venus. d. Mercury.
Physics & Space Science
What observational evidence do we have that eruptions in the centers of galaxies involve magnetic fields?
What will be an ideal response?
Physics & Space Science
How many decibels correspond to a sound intensity of 7.0 × 10-7 W/m2?
A) 70 B) 58 C) 69 D) 75 E) 63
Physics & Space Science