Q1. Assume it takes 7.00 min to fill a 30.0-gal gasoline tank.
a. calculate the rate at which the tank is filled in gallons per second?
b. calculate the rate at which the tank is filled in cubic meters per second?
C. determine the time interval, in hours, required to fill a 1.00-m3 volume at the same rate. (1 U.S. gal=231in.3)
Q2. The average density of the planet Uranus is 1.27*103kg/m3. The ratio of the mass of Neptune to that of Uranus is 1.19. The ratio of the radius of Neptune to that of Uranus is 0.969. Find the average density of Neptune.