Which of the following is an application of the Doppler effect used by submarines?

radio

radar

scuba

sonar

Pus is a mixture of dead neutrophils, dead tissue, bacteria, and living white blood cells. A. True B. False

3 Why does the frequency of a wave increase as the wavelength decreases? A) because the wave speed remains constant B) because the amplitude of the wave must remain constant C) because the frequency must get larger to increase the speed D) because

A block rests on a? at plate that executes vertical simple harmonic motion with a period of 0.58s. What is the maximum amplitude of the motion for which the block does not separate from the plate? The acceleration of gravity is 9.8 m/s^2.

The glow of fluorescent light bulb or a neon sign is caused by which state of matter

A space probe is launched from Earth, headed for deep space. At a distance of 10,000 miles from the Earth's center, the gravitational force on it is 600 lb.

The divisions of time in the Geologic Time Scale represent: a) the Law of Superposition b) the results of radiometric dating c) major changes in biodiversity d) multiples of 35 million years e) all of the above

You are in a canyon and yell across. It takes 4 seconds for the echo to come back to you. How wide is the canyon?

Question 26 Unsaved What happens when you compress a gas? Question 26 options: The density increases The volume increases The pressure decreases Depends on the gas The temperature decreases

What force keeps a water spider on the surface of water

An object with a mass of 78 kilograms is lifted through a height of 6 meters. How much work is done? A. 47.75 J B. 4,586.4 J C. 468 J D. 764.4 J