Michael Scott throws a watermelon off a roof 50 meters high. Calculate the kinetic energy if the watermelon has a mass of 7 kg and it takes5 seconds to hit the ground.(Hint: calculate the velocity first! Velocity equals distance divided by time.)

Why does a cake rise when you bake it? ♡

When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false