Two waves are superposed. One wave has an amplitude of 3 cm, and the other has an amplitude of 4 cm. What is the resultant amplitude?

What are the stages of stellar evolution

Scientists have learned about the structure of Earth's interior by A) examining deep wells B) using radar C) studying seismic waves D) using sonar

How can you change the phases of matter using thermal energy

Xander was traveling at a final velocity of 4.5 m/s for 3.5 seconds. Finley was traveling at a final velocity of 3.6 m/s for 4.2 seconds. Max was traveling at a final velocity of 7.3 m/s for 1.2 seconds.

If you place a teaspoon of sugar in the bottom of a glass of water, it will dissolve completely over time. Left longer, eventually the water will disap - pear and the sugar crystals will reappear. Explain these observations in terms of entropy.

Which air mass provides the moisture that produces the clouds and precipitation?

What is a relatively small rocky body that travels through out space

Which is true about the pressure of a fluid at a specific depth? It varies with the total volume of the fluid. It depends only on the type of fluid. It is exerted only in the downward direction. It depends on the surface area of the fluid.

The sum of potential and kinetic energies in the particles of a substance is called energy. True or False

Element X has a mass number of 40 and an atomic number of 20, and element Y has a mass number of 56 and an atomic number of 26. Element X has more neutrons and fewer electrons than element Y. more neutrons and electrons than element Y.