A constant net torque is applied to an object. Which one of the following will not be constant?
1.angular acceleration
2.angular velocity
3.moment of inertia
4.center of gravity
2
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The electric field associated with a uniformly charged hollow metallic sphere is the greatest at:
a. the center of the sphere. b. the sphere's inner surface. c. infinity. d. the sphere's outer surface.
The planet Neptune is blue in color. How would you expect the spectrum of visible light from Neptune to be different from the visible-light spectrum of the Sun?
A) The two spectra would have similar shapes, except Neptune's spectrum would be missing a big chunk of the red light that is present in the Sun's spectrum. B) The two spectra would have similar shapes, except Neptune's spectrum would be missing a big chunk of the blue light that is present in the Sun's spectrum. C) Neptune's spectrum would peak at a much longer wavelength than the Sun's spectrum. D) There is no way to predict the answer to this question, since planets and stars are made of such different things.
Tidal locking is what makes the Moon rotate about its own axis at the same rate that it revolves around Earth
Using as a model of a moon two identical masses of mass m connected by a light rod, explain how the forces on the masses would tend to keep this satellite in a fixed orientation.
Inertia is defined as a
A) force. B) property of matter. C) change in motion. D) none of the above