A man is standing on the shore of a beach, up to his knees in water. Every 5 seconds a wave breaks on him. What is the period of the wave? A. 12 waves per minute B. 5 hertz C. 5 seconds D. 0.2 hertz

What are two ways alternating currents are similiar? 1. In both AC and DC, the flow of electrons changes directions back and forth. 2. Both AC and DC involve the flow of electrons. 3.

When an element undergoes nuclear transmutation, the result is a completely different

The velocity of a ball as it is thrown up is 20mps it attains zero velocity after 3.5 seconds what is the average acceleration of a ball during its upward flight

Which of the following is necessary for plants to exhibit phototropism ) A) geotropism B) thigmotropism C) phototropism D) photoperiodism

Atoms of elements in the same group of the periodic table share the same

What did nikola tesla spend his time/money doing?

Why coulomb's law apply only to spherically symmetric charges?

A combustion reaction usually gives off heat and light is it true or false

Which best describes the differences between how Ptolemy and Copernicus described the solar system? A. Ptolemy saw the sun at the center of the solar system, while Copernicus saw the earth as the center. B.

A man is standing on the shore of a beach, up to his knees in water. Every 5 seconds a wave breaks on him. What is the period of the wave? A. 12 waves per minute B. 5 hertz C. 5 seconds D. 0.2 hertz