Juliette uses 20 n to move her desk 5 meters. which of the following is true?
a. juliette has not done any work.
b. juliette has done 4 nm of work.
c. juliette has done 100 nm of work.
d. juliette’s power output was 4 nm/sec.
46 points if you get it !

When an object falls through the air and encounters air resistance its overall speed will be than if it had not encountered air resistance? (one word answer)

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

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.