Assume everyone in the United States consumes one soft drink in an aluminum can every two days. If there are 270 million Americans, estimate how many tons of Aluminum needs to be recycled each year if each can weighs 1/16 pound and one ton = 2000 pounds.
A. 750,000 tons
B. 1.5 million tons
C. 1.75 million tons
D. 3 million tons
E. 1,600,000 tons
B. 1.5 million tons
You might also like to view...
What is the first law of thermodynamics for a system?
What will be an ideal response?
A hydrogen atom is in its first excited state (n = 2). The linear momentum of the electron is (in kg ? m/s)
a. 3 × 10^?24 b. 2 × 10^?24 c. 1 × 10^?24 d. 4 × 10^?24 e. 3 × 10^?15
A square loop (L = 0.20 m) consists of 50 closely wrapped turns, each carrying a current of 0.50 A. The loop is oriented as shown in a uniform magnetic field of 0.40 T directed in the positive y direction. What is the magnitude of the torque on the loop?
a.
0.21 N ? m
b.
0.20 N ? m
c.
0.35 N ? m
d.
0.12 N ? m
e.
1.73 N ? m
A car travels in a due northerly direction at a speed of 55 km/h. The traces of rain on the side windows of the car make an angle of 60 degrees with respect to the horizontal. If the rain is falling vertically with respect to the earth, what is the speed of the rain with respect to the earth?
a. 48 km/h b. 95 km/h c. 58 km/h d. 32 km/h e. 80 km/h