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A storage tank 30 m high is filled with gasoline.
a. Find the gauge pressure at the bottom of the tank.
b. Calculate the force that acts on a square access hatch at the bottom of the tank that measures 0.5m by 0.5m.
A heart pacemaker fires 66 times a minute, each time a 29.0-nF capacitor is charged (by a battery in series with a resistor) to 0.632 of its full voltage
a satellite that weighs 4900N on the launchpad travels around the earths equator in a circular orbit with a period of 1.667h. determine the altitude of the satellite above the earths surface
At a distance of 20m from a source of sound, the sound level is 40 dB. what will the sound level be
A U tube is filled with water, and the two arms are capped. The tube is cylindrical, and the right arm has twice the radius of the left arm. The caps have negligible mass, are watertight, and can freely slide up and down tube.
How fast should a car move toward. A cardinal (Richmondena cardinalis) of mass 3.90×10-2 and a baseball of mass 0.144 have the same kinetic energy. What is the ratio of the cardinal's magnitude of momentum to the magnitude of the baseball's moment..
The primary coil of a transformer has 100 turns and its secondary coil has 400 turns. If theac voltage applied to the primary coil is 120V
You throw a glob of putty straight up toward the ceiling, which is 3.00m above the point where the putty leaves your hand. What is the speed of the putty just before it strikes the ceiling
A diver tucks her body in midflight, decreasing her moment of inertia by a factor of two. By what factor does her angular speed change
A guitar string of length L =1 is pulled upward at the middle so that it reaches height h. What is the subsequent motion of the string if it is suddenly released
An athlete competing in long jump leaves the ground with a speed of 9.14 m/s at an angle of 35.0 ° above the horizontal
A car rounds a curve that is banked inward. The radius of curvature of the road is R = 114, Find the maximum speed that the car can have without slipping
One day when you come into physics lab you find several plastic hemispheres floating like boats in a tank of fresh water. What is the mass of the heaviest rock that, in perfectly still water, won't sink the plastic boat
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