What causes a spring to bounce up when it is pushed down and then released?
(a) Pushing the spring down gives it stored mechanical energy that turns into motion (b)The stored chemical energy in the spring turns into motion. (c) The chemical energy in the spring makes it move and bounce up. (d) Pushing the spring downturns chemical energy into mechanical energy.

What is the value of keq for the reaction expressed in scientific notation?

Plz mark brainliest 30 points1) find the momentum of a 12 kg snowball that is rolling with a velocity of 9 m/s.2) an 8 ball with a mass of .5 kg is sitting at rest. it is hit by the cue ball (1 kg) traveling at 2.5 m/s. if the cue ball is at rest after the collision, how fast is the 8 ball traveling after the collision? 3) two football players are running toward each other. if the offensive player is 75 kg and is running 8 m/s, how fast must the 60 kg defensive player run in order for the two players to hit and stop?

Select the correct answer a modure consists of glucose and water. what is the percent composition of glucose in the mixture if it contains 1.3 moles of glucose (cho total mass of the mature is 276 grams? ) and the a 1775