What is the meant by the frequency of a wave? What is the unit?

An external resistor with resistance R is connected to a battery that has an emf E and an internal resistance r. Let P be the electrical power output of the source. By conservation of energy, P is equal to the power consumed by R.

A peacock flashes its bright plumage to attract a peahen. Male peacocks have bright feathers, which have been observed for generations.

A light wave is traveling through the air and then enter water. How will the light change? It will change color. It will become brighter. It will move at a different speed. It will stop completely.

A client experiences difficulty in performing the prone iso-abs exercise. Which of the following should be suggested as an regression? a. Quadruped arm and opposite leg raise b. Cable rotation c. Rolling active resistance row d. Cable chop

Claire starts driving with an initial velocity of 5.0 m/s towards north. She drives along a straight, level path with a uniform acceleration and travels 500. m in 20. seconds. A. What is the average velocity for the entire 20. seconds? B.

A man runs at a velocity of 6.2 m/s for 11.5 minutes. When going up and increasingly steep hill, he slows down at a constant rate of 0.25 m/s^2 and comes to a stop. How far did he run?

Find the period and frequency of a green photon that had a wavelength of 525 nm

Match these items. 1 . involuntary muscle tissues that have fibers 2 . tendons muscle controlled by will 3 . cardiac muscle muscle not controlled by will 4 . voluntary muscle arm muscle 5 . biceps heart muscle

Assuming that voltage remains constant, what happens to the current in a filament if it is replaced by a thinner wire? A. The current increases. B. The current decreases. C. The current is not affected by a change in filament thickness. D.

What is blochemistry?