Arock is thrown straight downward from a tree limb with an initial velocity v0. the rock has constant downward acceleration of 10 m/s2 during its fall. the rock moves 7 times as far during the first 3 seconds as during the first 1 second of fall. what is the value (magnitude only) of v0?

Atelevision set that has been running for a while heats up even the air around it. which two laws of thermodynamics could be used to analyze this scenario

You throw a baseball directly upward at time =0 at an initial speed of 14.9 m/s. what is the maximum height the ball reaches above where it leaves your hand? ignore air resistance and take =9.80 m/s2.

Which statement is the best definition of an atom? a) anything that has mass and occupies space. b) the smallest particle that has the properties of an element. c) a substance that cannot be broken down chemically into simpler substances. eliminate d) the smallest unit of a substance that exhibits all of the properties characteristic of that substance.