In what fundamental respect does electromagnetism break away from the form of materialism associated with the physics of Newton and Democritus?
A) Newton had thought that the only force in the universe was gravity.
B) The electromagnetic force can be felt across a vacuum.
C) Electromagnetism implies that the future cannot be precisely determined.
D) The electromagnetic field is physically real, even though it is not made of atoms.
E) Nonsense--electromagnetism agrees quite well with Newtonian materialism.
Question 2
A 1-kg glider and a 2-kg glider both slide toward each other at 1 m/s on an air track. When they collide and stick, the combined-glider speed is
A) 0 m/s.
B) 1/2 m/s.
C) 1/3 m/s.
D) 1/6 m/s.
E) 1.5 m/s.
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