Author Question: A glass rod is rubbed with a piece of silk. During the process the glass rod acquires a positive ... (Read 140 times)

genevieve1028 · **on:** Jul 27, 2018

A glass rod is rubbed with a piece of silk. During the process the glass rod acquires a positive charge and the silk

A) acquires a positive charge also.
B) remains neutral.
C) acquires a negative charge.
D) could either be positively charged or negatively charged. It depends on how hard the rod was rubbed.

Question 2

Consider a small satellite moving in a circular orbit (radius r) about a spherical planet (mass M). The period does not depend upon

A) g at the satellite position.
B) the planet mass.
C) the satellite mass.
D) the radius r.
E) the universal gravitational constant.