A rock and a feather are dropped from the rooftop of a building.

which has more kinetic energy

The lowest note on the piano has the longest string to vibrate. How does the lowest note compare if you consider the column of air that is vibrating in test tubes or bottles?

What is the velocity of an object that has a momentum of 4000 kg-m/a and a mass of 115 kg

How does light waves transfer energy?

Which of the following is not a form of water erosion? mass wasting erosion sheet erosion rill erosion stream erosion

What do we call the substances that are formed as a result of substances reacting together? Group of answer choices A) none of the answers are correct B) catalysts C) products D) reactants

a man is standing on the edge of a 20.0m high cliff. he throws a rock vertically with an initial velocity of 10.0m/s. how high does the rock go?

The slope of a velocity time graph over any interval of time gives the during that interval

if light travels in a vacuum at 3.00 x 10^8m/s and its frequency is 7.44 x 10^7 what is its wavelength

the half-life of carbon - 14 is 5730 years. What fraction of carbon-14 would remain after 11,460 years?

An object with a mass of 10.9 kg experiences a force of 18.53 N. What is the acceleration of the object? A. 2.2 m/s2 B. 1.7 m/s2 C. 16.83 m/s2 D. 1.3 m/s2