Charon is tidally locked to Pluto but Pluto is not tidally locked to Charon
a. True
b. False
Indicate whether the statement is true or false
False
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If the polarizing angle for cubic zirconia (zirconium oxide) is 65.6°, what is the index of refraction of the material?
a. 1.84 b. 2.00 c. 2.20 d. 2.43 e. 1.17
If a = 3.0 mm, b = 4.0 mm, Q1 = 60 nC, Q2 = ?80 nC, and q = 36 nC in the figure, what is the magnitude of the electric force on q?
a.
5.0 N
b.
4.4 N
c.
3.8 N
d.
5.7 N
e.
0.60 N
The information on a one-gallon paint can is that the coverage, when properly applied, is 440 ft2 . One gallon is 231 in3 . What is the average thickness of the paint in such an application?
a. 3.6E–3 in b. 5.3E–1 in c. 4.4E–2 in d. 1.3E–2 in e. 1.6E–1 in
Inelastic Collisions: A 2.0-kg mass moving at 5.0 m/s suddenly collides head-on with a 3.0-kg mass at rest. If the collision is perfectly inelastic, what is the speed of the masses just after the collision?
A. 10 m/s B. 2.5 m/s C. 2.0 m/s D. 0 m/s, since the collision is inelastic