Author Question: How does the altitude of the North Star vary for an observer located at the equator? At ... (Read 30 times)

erika · **on:** Jul 28, 2018

How does the altitude of the North Star vary for an observer located at the equator? At 39N?

Question 2

Classify the following statement as a characteristic
(a) of electric forces only,
(b) of magnetic forces only,
(c) of both electric and magnetic forces, or
(d) of neither electric nor magnetic forces.
The force exerted on a charged object cannot alter the objects speed.

1.electric forces
2.magnetic forces
3.both electric and magnetic forces
4.neither electric nor magnetic forces

kthug · **Reply #1 on:** Jul 28, 2018

Answer to Question 1

For an observer at the equator, the altitude of Polaris is 0 at all times. For an
observer at 39N, the altitude of Polaris is 39 at all times.

Answer to Question 2

2