What does the atomic number of an element tell us?

Matt plays badminton. He serves the birdie with a velocity of 4.25 m/s [right] covering a displacement of 5.2 m [forward]. How much time does this birdie's trip take? show your work below

Find the work done by a force of 20 lbs acting in the direction north 50 degrees west in moving an object 4 feet due west?

Does radiation require a heated liquid to transfer energy?

One of the first steps in harnessing geothermal energy is to drill a well into a geothermal reservoir. a. True b. False

What is mechanical energy? A energy of moving electrons B vibrations of particles of matter C energy that moves things D vibrations that move tiny bones in the ear

If you have a beam perfectly balanced on a fulcrum and put a weight at the very end of one side, is there a way to know where you should put a heavier object on the other end?

Most of the Earth's volcanoes occuWhen fossils or minerals form, certain unstable elements are sometimes locked into them.

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