Question

Answer each question and justify your answer in one or two sentences.

Question 1

Which one of the following objects has the largest mass?

a) a gold solid cube with each side of length r

b) a brass solid sphere of radius r

c) a silver solid cylinder of height r and radius r

d) a lead solid cube with each side of length r

e) a concrete solid sphere of radius r

Question 2

Three fourths of the volume of a glass is filled with water. Ice is then added until the ice reaches the top of the glass. The water level at that point is h. Which one of the following statements concerning the level of water after the ice melts is true?

a) The final level of water will be lower than h.

b) The final level of water will be at h.

c) The final level of water will be higher than h.

d) This cannot be answered without knowing the mass of ice added.

e) This cannot be answered without knowing the volume of ice added.

Answer 1