What is the speed of a periodic wave with a frequency of 4.5 Hz and a wavelength of 0.9m

1. Part A Which of the ball (s) described would have the most kinetic energy? A. 1. A basketball resting on a chair in the gym. B. 2. A baseball was hit by a bat and now flying through the air. c. 3. A bowling ball stationary on the floor. D. 4.

What is the difference between mutual flux, leakage flux and magnetizing flux

When an element is heated in a bunsen burner flame, the resulting color of the flame changes can be used to identify the element.

What physical improvements might result from his training?

Which statement best describes energy and matter in a closed system? A. Energy and matter flow into and out of the system. B. Energy can flow into and out of the system but matter cannot. C. There is no energy in a closed system; there is matter. D.

The gamma ray released by each decay carries 140kev of energy. find the total energy e released by decays in the 2 hours.

Think of the last five things you read. Now think of a type of reading you havent done recenty have never read. What kind of pattern do you see in your reading? What is your favorite type of reading and your least favorite type of reading?

Consider this statement: Air is matter. Which facts best support the statement? A. Balloons can be filled with air. B. Air is essential for life to exist. C. Air has mass. D. Air is not an element. E. To float on air is to be happy. F.

Hydroelectric power uses: wind water coal the sun

Two lightweight metal spheres are suspended near each other from insulating threads. One sphere has a net charge; the other sphere has no net charge. The spheres will: A. Attract each other B. Exert no electrostatic force on each other C.