Sunlight reflected from a smooth ice surface is completely polarized. Determine the angle of incidence. (nice = 1.31.)
a. 52.6°
b. 25.6°
c. 65.2°
d. 56.2°
e. 49.8°
a
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Indicate whether the statement is true or false
Banked Curves: A highway curve of radius 100 m, banked at an angle of 45°, may be negotiated without friction at a speed of
A. 22 m/s. B. 31 m/s. C. 44 m/s. D. 67 m/s.
On Earth, on which day do you expect the length of daytime to be roughly equal to the length of nighttime?
A) February 21 B) December 21 C) January 21 D) June 21 E) March 21
Charges q and Q are placed on the x axis at x = 0 and x = 2.0 m, respectively. If q = ?40 pC and Q = +30 pC, determine the net flux through a spherical surface (radius = 1.0 m) centered on the origin.
A. ?9.6 N ? m2/C B. ?6.8 N ? m2/C C. ?8.5 N ? m2/C D. ?4.5 N ? m2/C E. ?1.1 N ? m2/C