An electromagnet requires 3 things. Select the 3 components below.

A. battery

B. iron core

C. solenoid

D. heat

E. insulator

F. resistance

On November 7, 1940, 42 mph winds caused the original Tacoma Narrows Bridge to pitch so violently that it collapsed. This was the result of which physical phenomenon?

An uncharged pith ball is suspended by a nylon fiber. When a negatively charged rubber rod is brought nearby, without touching it, the pith ballA. Becomes charged by induction. B. Becomes polarized. C. Is repelled by the rod. D. Is unaffected. E.

What type of change occurs when water change from a solid to a iquid?

A friend throws a heavy ball toward you while you are standing on smooth ice. You can either catch the ball or deflect it back toward your friend.

Military specifications often call for electronic devices to be able to withstand accelerations of 10 g.

A 2-kg object is dropped from a height of 1000 m. What is the force of air resistance on the object when it reaches terminal velocity

What is the approximate increase in size from a 1 w to a 2w carbon resistor?

I am looking for this answer : Which shows a correct order of steps in the scientific method? develop a hypothesis, analyze data, make observations, draw conclusions make observations, draw conclusions, develop a hypothesis, analyze data.

A gas in a piston is compressed doing - 439 j of work, and its internal energy increases by 318 j. how much heat flows? (be careful with + and -. + w = expansion. + q = added, + u = temp goes up) (unit = j)

A loop of wire is placed in a uniform magnetic field. (a) For what orientation of the loop is the magnetic flux a maximum? The plane of the loop is perpendicular to the magnetic field. The plane of the loop is parallel to the magnetic field.