Which wave interaction causes you to hear your voice a second time after you'

shout in a gymnasium?

Definir la dinamica de la ciencia

3. A car drives horizontally off of a cliff that is 40 meters tall and lands 65 meters from the base of the cliff. What was the initial velocity of the car?

What type of energy to high frequency waves have?

Explain why some objects fall faster than other objects,

Two ice skaters, with masses of 50 kg and 75 kg, are at the center of a 50 m - diameter circular rink. The skaters push off against each other and glide to opposite edges of the rink.

F an electron fell to a lower orbit or energy level, energy would be A. created. B. emitted. C. absorbed. D. transferred.

Which is the correct order from the closest to the sun to the farthest away from the sun? A. terrestrial planets, asteroid belt, gas planets, Kuiper belt B. gas planets, asteroid belt, terrestrial planets, Kuiper belt C.

Ethylene (C2H4) reacts with oxygen gas to produce carbon dioxide and water. 45.0 grams of ethylene reacts, how many grams of carbon dioxide gas will be produced?

What causes ice to melt and water to boil

A block of mass 3.5 kg slides down a frictionless inclined plane of length 6.4 m that makes an angle of 30 degrees with the horizontal. if the block is released from rest at the top of the incline, what is its speed at the bottom