An object moving with a speed of 67 m/s and has a kinetic energy of 500j, what is the mass of the object

Which radioactive isotope would take the least amount of time to become stable? rubidium-91 iodine-131 cesium-135 uranium-238

A merry-go-round makes 18 rotations in 3 minutes. What is its angular speed in rpm?

Kepler's 3rd law: harmonic law

17.) A microwave is rated at 750 watts. How long will it take the microwave to do 5700 J of work on a cup of water? Assume 100% efficiency.

A 125.0 g arrow is pulled backed 27.0 cm against a bowstring. If the spring constant of the bowstring is 1175 N/m what speed will thw arrow leave the bow

Why is it wrong that igneous always has to become sedimentary because of the rock cycle

Which ion has a positive charge? valence electron covalent ion cation anion

Which is located farther west the central valley or the coast ranges?

Question: If the object is falling for 3 seconds, predict the distance the object falls. If a small amount of air resistance is present, predict what this would do to the distance the object falls.

Burning coal produces which type of gas? carbon dioxide oxygen nitrogen hydrogen