What best describes the energy of a sound wave as it travels through a medium

Why do we always only see one side of the moon? A. From Time to time we see all the sides of the moon from the Earth. B. The far (opposite) side only faces the Earth during the daytime when the Sun's light outshines the Moon. C.

which Renaissance technique was used in this painting to make it more realistic and three-dimensional

You hear 2 beats per second when two sound sources, both at rest, play simultaneously. The beats disappear if source 2 moves toward you while source 1 remains at rest. The frequency of source 1 is 500 Hz. The frequency of source 2 is ... A) 498 Hz.

A=vf-vi/t solve for vi

The following chart provides the pH of some common foods. How many would be considered basic? food pH food pH tofu 7.20 tomatoes 4.50 walnuts 5.42 apples 3.50 asparagus 6.50 blueberries 3.15 cranberry juice 2.40 egg white 7.96 egg yolk 6.

A 1200 kg car is moving at 5.0 m/s east. it strikes an 1800 kg car at rest. the cars have an elastic collision and move in the east or west direction. the velocity of the 1200 kg car after the collision is:

Describe the movement of particles when water vapor touching cold surface

In 1923, the United States Army (there was no United States Air Force at that time) set a record for in-flight refueling of airplanes. Using two refueling planes, an Airco DH-4B biplane was able to remain in flight for 37 h.

Metamorphic rocks may generally be distinguished from igneous rocks because

What is matter? A. matter is an element B. matter is anything that is made of atoms and that has mass C. matter is a compound D. matter is anything that is made of organic substances and is found on the earth