At which place on the Earth will you weigh less?
A. at the North Pole
B. at the equator
C. at the South Pole
D. You weigh the same at all of these places.
Answer: B
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A laser beam (? = 694 nm) is incident on two slits 0.100 mm apart. Approximately how far apart (in m) will the bright interference fringes be on the screen 5.00 m from the double slits?
A. 3.47 × 10?3 B. 3.47 × 10?2 C. 3.47 × 10?4 D. 3.47 × 10?6 E. 3.47 × 10?5
The maximum speed of a 3.00-kg object in simple harmonic motion is 4.00 m/s. The maximum acceleration of the object is 5.00 m/s2. What is the period of simple harmonic motion?
A) 1.25 s B) 0.417 s C) 0.800 s D) 5.03 s E) 3.75 s
The tensile stress where plastic strain is equal to 0.002 is equal to the _____________stress.
Fill in the blank(s) with the appropriate word(s).
The horizontal speed of a projectile
a. is zero. b. stays constant. c. continuously increases. d. continuously decreases. e. sometimes decreases and sometimes increases.