If object A has more mass than object B,
a. A will weigh more than B.
b. A will be harder to accelerate than B.
c. A will be harder to keep moving in a circle.
d. all of the above
D
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The ultimate truth of any radiometric date depends on the
A) size of the given sample. B) chemical composition of the sample being tested. C) precision and accuracy of the lab techniques. D) reset date of the sample.
A system in equilibrium cannot have
A. any forces on it B. a non-zero velocity C. any torques on it D. a non-zero acceleration
A water wave spreading out in a circle across the surface of a pond is an example of
A) a two-dimensional wave. B) witchcraft. C) a one-dimensional wave. D) particle motion, or mass motion, rather than wave motion. E) a three-dimensional wave.
If a solid metal sphere and a hollow metal sphere of equal diameters are each given the same charge, the electric field ( ) midway between the sphere center and the surface is
A) greater for the solid sphere than for the hollow sphere. B) greater for the hollow sphere than for the solid sphere. C) zero for both. D) equal in magnitude for both, but one is opposite in direction from the other.