When sweat evaporates from your skin the temp of your skin decreases this is because

A flute plays a note with a frequency of 266Hz. What is the speed of sound if the wavelength is 1.3m? 102 m/a 205m/a 346m/s 692m/s

If an object moves with constant (non-zero) acceleration, then which, if any, of the following statements about its motion is/are true? The position may be increasing or decreasing. A: True B: False The acceleration may be increasing or decreasing.

What is a pulleys purpose

How many significant digits are in the measurement 143,000

Rank the gravitational forces exerted on the Earth by the following objects. (basketball, human being, skyscraper, car) largest to smallest force.

Which statement is true for particles of the medium of an earthquake P-wave?

If 128 g of material is in the shape of a brick 2 cm wide, 4 cm high, and 8 cm long, what is the density of the material?

A source emits monochromatic light of wavelength 495 nm in air. when the light passes through a liquid, its wavelength reduces to 434 nm what is the liquid's index of refraction? a. 1.14 b. 1.49 c. 2.03 d. 1.26 e. 1.33

A ping pong ball with a dent in it can be put into a pan of boiling water. After a short amount of time, the dent will pop out. Determine the best reason for this occurrence. A) The ping pong ball plastic heats up and expands.

What is the difference between heat temperature and thermal energy?