Microwaves travel at the speed of light, 3.00 * 108 m/s. when the frequency of microwaves is 8.90 * 109 hz, what is their wavelength? answer in units of m.

What is the term for the remains of things found in rock

Describe a compression and a rarefaction of a sound wave traveling through air.

Tracy stands on a skateboard and tosses her backpack to her friend who is standing in front of her. Which best describes the acceleration Tracy experiences? It is less than the acceleration of the backpack because she has a greater mass.

A piston above a liquid in a closed container has an area of 1m^2. The piston carries a load of 350 kg. What will be the external pressure on the upper surface of the luquid?

Which of the following describes the sound source? Which of the following describes the sound source? It moves from left to right and passes you at t = 2 s. It moves from right to left and passes you at t = 2 s.

Carbon dioxide and water molecules in the atmosphere will absorb: a. infrared light. b. visible light. c. ultraviolet light. d. radio waves.

A car travels from town A to town B 70 km east, then to town C 60 km south, and then to town D 150 km west. Determine the resultant displacement of the car?

A person whose mass is 72 kg has a momentum of 700 kg/m/s (E). What velocity must this person be travelling at? (2 sig figs)

How many structures do prokaryotic cells have in common with the eukaryotic cells? 2 3 4 5

An astronaut throws a rock. the rock travels through outer space at a constant velocity. which statement applies to the motion of this rock? A - an unbalanced force is acting on the rock, causing it to accelerate.