State the general rule for significant figures when adding or subtracting numbers
What will be an ideal response?
The final result of an addition or subtraction problem should be no more precise than the least precise number used in the calculation.
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Equation of Traveling Waves: Find the speed of an ocean wave whose displacement is given by the equation y = 3.7 cos(2.2x - 5.6t) where x and y are in meters and t is in seconds.
A. 2.5 m/s B. 1.9 m/s C. 3.5 m/s D. 4.5 m/s
The equivalence principle says that a person in an elevator that is in free fall feels the same acceleration as:
A) a person in an elevator going up with an acceleration of g. B) a person in space, far from any gravitational source accelerating at g. C) a person in an elevator going down with an acceleration of g. D) a person in space, far away from any gravitational source with no acceleration. E) a person in orbit of Earth accelerating at g upward.
Core-dominated radio galaxies and radio galaxies with lobes are very similar in reality; we view them from different angles, which accounts for their different appearances
Indicate whether the statement is true or false
Most earthquake damage is caused by
a. tsunamis. b. surface waves. c. P waves. d. S waves.