Author Question: Velma, the space woman, orbiting at 100 miles above earth's surface, feels weightless because A) ... (Read 30 times)

cdr_15 · **on:** Jul 29, 2018

Velma, the space woman, orbiting at 100 miles above earth's surface, feels weightless because

A) she is in a vacuum.
B) she is away from the pull of earth's gravity.
C) she went on a diet.
D) she is falling freely around Earth.
E) Actually, she doesn't feel weightless.

Question 2

In the process of pair-creation by a high-energy photon, matter is

A) conserved. B) destroyed. C) created.