The force on your left palm is __________ the force on your right palm
a. 1/4
b. 1/2
c. equal to
d. 2 times
e. 4 times
C
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The visible surface of the Sun has a temperature of about ______________ K
Fill in the blank(s) with correct word
A 10 kg solid cylinder with a 50.0 cm radius has a moment of inertia of 1/2 If a torque of 2.0 N•m is applied to the object, the angular acceleration is
A. 1.0
B. 1.6
C. 1.8
D. 2.1
E. 2.3
If the refractive index of the glass in a lens varies with wavelength, then which of the following results?
A) spherical aberration B) light scattering C) total reflection D) astigmatism E) chromatic aberration
A ray of light passes from vacuum into a different substance where the speed of light decreases by 20%. What is the index of refraction of the substance it is traveling in?
1.1.25 2.0.2 3.0.8 4.1.2