The direction of the current in an alternating current circuit

remains constant.

is direct.

changes repeatedly.

changes randomly.

A rock dropped on the moon will increase it's speed from 0 m/s to 8.15 m/s in about 5 seconds what is the acceleration of the rock

What is heat? Be sure.

Physics question: Momentum

I live in the city. It's always warmer in the city, compared to other areas, even at night. Why is that? The rain shadow effect makes surrounding areas cool and moist and the city warm and dry.

Scientists compare the constant motion and cooperating, flowing rhythmic movement of particles to the idea of dance. Santhanam Nagarajan states "Physicists speak of the continuous dance of sub-atomic matter which goes on all the time.

Explain what happens to each ball after the collision. Why do you think this occurs? Which of Newton's laws does this represent?

A wave has a wavelength of 8 mm and a frequency of 11 hertz. What is its speed? Your Answer:?

Make a claim for the behavior of charged objects with other charged objects. Make a claim for the behavior of charged objects with uncharged objects. Explain. From the Sticky Tape Lab.

In what ways does a stream transport its load, and which part of the load moves most slowly? Select all that apply. A. as a suspended load B. as a bed load C. as a dissolved load D. as a dissolved load

Use what you have learned so far about heat transfer to explain how hot rocks can be used to make steam?