The source of all magnetic fields is:

- moving charges

- the earth's gravity

- the aurora borealis

- solar fields

What happens to the strength of the magnetic field as you come closer to the current carrying wire?

Name 3 ways forces can change the motion of an object

If the velocity of an object changes from 15 m/s during a time interval of 4s what is the acceleration of the object

Which type of wave was used in telegraphs to communicate in Morse code?

If a sprinter has an average acceleration of 9.5 m/s2, how long does it take for the person to go from rest to 10 m/s

Calculate the energy equivalent in joules of the mass of a proton. [Show all work, including the equation and substitution with units.]

If the weight is 950 newtons, what is the mass?

You are standing against the wall near a corner of a large building. A friend is standing against the wall that is around the corner from you. You can't see your friend. How is it that you can hear her when she talks to you?

What is general relativity in easy terms?

Temperature and volume are directly or inversely