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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A) February 21 B) December 21 C) January 21 D) June 21 E) March 21
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.
As the Moon grows fatter from new to full, it is said to wax
Indicate whether the statement is true or false
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