What is the quantity used to measure an object's resistance to changes in rotational motion?
A)
mass
B)
moment of inertia
C)
torque
D)
angular velocity
E)
angular acceleration
B
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The colors you see with a prism result because of __________
Fill in the blank(s) with correct word
If a system undergoes a reversible process,
A) it must be possible to restore the system to its original state. B) it must be possible to restore the surroundings to their original state. C) it must be possible to restore both the system and the surroundings to their original states. D) it is impossible to restore either the the system or the surroundings to their original states. E) the system must not interact with its surroundings.
A charge of +3.0 mC is distributed uniformly along the circumference of a circle with a radius of 20 cm. How much external energy is required to bring a charge of 25mC from infinity to the center of the circle?
a. 5.4 J b. 3.4 J c. 4.3 J d. 2.7 J e. 6.8 J
Solar radiation consists of waves principally in the
A) ultraviolet, visible short-wavelength range. B) long-wavelength infrared range. C) long wavelengths that cannot escape the Earth's atmosphere. D) short wavelengths that cannot escape the Earth's atmosphere.