Author Question: A physics class in a large lecture hall has 15 students. The total mass of the students is about ... (Read 588 times)

Beheh · **on:** Jul 28, 2018

A physics class in a large lecture hall has 15 students. The total mass of the students is about _____ kg. (You will need to make a reasonable estimate of a missing physical quantity.)
a. 102
c. 104
b. 103
d. 105

Question 2

Assume everyone in the United States consumes one soft drink in an aluminum can every two days. If there are 300 million Americans, how many tons of aluminum need to be recycled each year if each can weighs 1/16 pound, and one ton = 2000 pounds?
a. 750,000 tons
c. 1.7 million tons
b. 1.5 million tons
d. 3 million tons