Author Question: According to quantum field theory, electrons A) are the quanta of a matter field. B) are the ... (Read 69 times)

cabate · **on:** Jul 29, 2018

According to quantum field theory, electrons

A) are the quanta of a matter field.
B) are the quanta of the electromagnetic field.
C) interact by exchanging quarks.
D) always come in pairs.
E) None of the above.

Question 2

An astronaut's normal weight it 600 newtons. How much will she weigh while orbiting in a satellite at 12,000 kilometers two earth radii above the surface of Earth?

A) zero B) 300 newtons C) 200 newtons D) 67 newtons E) 150 newtons