To initiate motion, a(n) ______________ force is necessary
Fill in the blank(s) with correct word
unbalanced, or net
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The slope of a velocity vs. time graph is the
a. distance b. velocity c. acceleration d. none of the above
In general, a common magnet has
A) one pole. B) at least two poles. C) only two poles.
Two horizontal curves on a bobsled run are banked at the same angle, but one has twice the radius of the other. The safe speed (no friction needed to stay on the run) for the smaller radius curve is V
Therefore, the safe speed on the larger radius curve is A) 0.71 V. B) 0.10 V. C) 1.4 V. D) 0.5 V. E) 2. V.
The Bohr model of the atom is akin to a
A) miniature solar system. B) blob of plum pudding, where raisins represent electrons. C) central heavy ball with lighter balls connected by springs. D) all of the above