When the temperature of the air is 50°C, the velocity of a sound wave traveling through the air is approximately?

A. 381 m/s

B. 30 m/s

C. 361 m/s

D. 50 m/s

How do oceanographers define salinity? A - number of grams of chlorine per liter of water. B - number of milligrams of dissolved soduim per milliliter of water. C - number of grams of dissolved sulfur salt per kilogram of water.

In an electric motor, the rotating coil of wires wrapped around an iron core is a (n)

What measurement can be used to determine the stability of the atmosphere?

One of the 64.3-cm-long strings of an ordinary guitar is tuned to produce the note LaTeX: B_3B 3 (frequency 245 Hz) when vibrating in its fundamental mode. The speed of sound in the surrounding air is 345 m/s.

What would a Munsell scale be used for A) characterizing soil color B) identifying mineral composition in soil samples C) measuring soil density D) identifying soil particle size

Find the y-component of this vector:73.3,12.0m. Remember, angles are measured from the + x axis.

A smaller unit of volume than a milliliter would be a microliter. A microliter is one-millionth of a liter. Select one: a. True b. False

What material are oil pipelines made from?

What is the speed of a car going v=1.000mphv=1.000mph in SI units? Notice that you will need to change from miles to meters and from hours to seconds. You can do each conversion separately.

What made it possible to construct skyscrapers in the 1800s