In an electromagnet, a moving charge creates which of the following?
a. a magnetic field
b. a permanent magnet
c. a magnetic pole
d. nothing

You are sitting on the beach and wondering about the properties of mechanical waves. describe them in terms of ocean waves.

In order for the bug to fly through the air a force has to push the bug forward. identify this force. how does the bug produce

As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy