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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.
A particular satellite was placed in a circular orbit about 167 mi above Earth. Determine the time required for one complete revolution
Consider purchasing a new tire with a warranty of 6.4 x 10^7 meters. Calculate the thickness of the tread that will be worn away with each revolution of the tire
When chasing a hare along a flat stretch of ground, agreyhound leaps into the air at a speed of 10.9 m/s, at an angle of 25° above the horizontal. What is the range of his leap
150g of steam at 100C (373K) is injected into a container containing 250g of ice and 150g water both at 0C (273K). What is the change in entropy of the environment
A vertical solid steel post of diameter d = 24cm and length L = 2.10m is required to support a load of mass m = 8200kg. What is the strain in the post
two point charges are located on the x axis. the first is a charge q at x -a. the second is an unknown charge located
What weight of water is displaced by a 100-ton floating ship? What is the buoyant force that acts on the ship
An astronaut drops a feather from 3.5 m above the surface of the moon. If the acceleration of gravity on the moon is 1.62 m/s2, how long does it take the feather to reach the surface
An object is in front of a converging lens with a focal length of 11.0 cm. The lens produces a real image located 25.0 cm from the lens. what is the image distance of the new lens
A microscope has an objective lens with a focal length of16.22mm and an eyepiece with a focal length of 9.60mm. what is the actual diameter of the red blood cell
A useful model of a water molecule is sketched in the figure below, with point charges of 5.2 10-20 C at the H sites, What is the total electric potential energy of this model of a water molecule
at a distance of 1.85 m from a point charge of 1.99 oc there is an equipotneial surface. at greater distances there are
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