Radiative energy is
A) energy carried by light.
B) heat energy.
C) energy from nuclear power plants.
D) energy of motion.
A) energy carried by light.
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What will be an ideal response?
An electron is released such that its initial velocity is from right to left across this page. The electron's path, however, is deflected in a direction toward the bottom edge of the page due to the presence of a uniform magnetic field. What is the direction of this field?
a. from bottom edge to top edge of the page b. into the page c. from right to left across the page d. out of the page
Rivers tend to flow
A) southward. B) downhill due to gravity. C) northward. D) toward the Equator.
To lift the 5000-N block, the man finds that he must pull 10 m of rope through his hands for every 1 m the block rises. Neglecting the weights of the pulleys and friction, how hard must the man pull on the rope to raise the block?
1) 5 N 2) 50 N 3) 500 N 4) 5000 N which is in accord with 5) Newton's second law. 6) that impulse equals change in momentum. 7) (F × d) input = (F × d) output. 8) mechanical energy can be stored as potential energy.