A ball is rolled along and off a table. Which of the following acts on the ball after it leaves the table but before it hits the floor?
Only the force the ball got from being rolled off the table
O Only the force of the earth's gravity on the ball
O Both the force of the earth's gravity on the ball and the force the ball got from being rolled off
the table
Neither the force of the earth's gravity on the ball nor the force the ball got from being rolled
off the table

Achemist wants to extract copper metal from copper chloride solution. the chemist places 0.50 grams of aluminum foil in a solution containing 0.75 grams of copper (ii) chloride. a single replacement reaction takes place. (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction? a) approximately 0.36 grams, because copper (ii) chloride acts as a limiting reactant b) approximately 1.8 grams, because copper (ii) chloride acts as a limiting reactant c) approximately 0.36 grams, because aluminum acts as a limiting reactant d) approximately 1.8 grams, because aluminum acts as a limiting reactant

Type the letter that represents the correct location for each particle type below. the neutron is found at __ the electron is found at __ the proton is found at __

20 grams of water. she poured out 15 grams. which of the following physical properties of the water changes? a .boiling point b. density c .electrical conductivity d .volume