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A vertical tube 1.9cm in diameter and open at the top contains 4.0g of oil (density 0.82 g/cm^3) floating on 4.0g of water.
Part A Find the gauge pressure at the oil-water interface.
Part B Find the gauge pressure at the bottom.
A laser beam passes through a single slit. We observe an interference pattern on a screen 9.03 m away. Find the width of the slit
How much work did the movers do (horizontally) pushing a 190-{rm kg} crate 11.2 m across a rough floor without acceleration, if effective coefficient of friction was 0.60.
On a safari, you are spearfishing while wading in a river. You observe a fish gliding by you. If your line of sight to the fish is 64.0° below the horizontal in air, and suppose the spear follows a straight-line path through the air and water afte..
A Father pulls his sons across the son on a sled. The children and sled together weigh 550-N. The father pulls the sled with a force of 400-N at an angle of 40 degrees above the horizontal. Avoiding friction, determine out the acceleration of the ..
A nanowire is a (nearly) one-dimensional structure with a diameter on the order of a few nanometers.
A crate of eggs is located in the middle of the flat bed of a pickup truck as the truck negotiates a curve in the flat road, how fast can the truck be moving without the crate sliding
Neglect air resitance. Find rocket's kinetic energy when the rocket is 1000 km above Earth's surface. Illustrate what is the max heigh that the rocket reaches.
An empty sled of mass 25kg slides down a muddy hill with the constant of 2.40m/s. The slope of the hill is inclined at the angle of 15 degrees with the horizontal.
How much would it cost just to keep the hot water inside the heater for one week? d)Suppose that you wrap the hot water heater on all sides with a 10 cm thick blanket of fiberglass insulation which has a thermal conductivity of 0.04 W/(m K).
Write a general expression of the flux
Two mirrors meet at a 127° angle. If light rays strike one mirror at 40° as shown, at what angle ? do they leave the second mirror.
A child in danger of drowning in a river is carried downstream by a current that flows uniformly with a velocity of 2.0 meters per second.
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