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A pipe whose inside diameter is 20cm is connected to four smaller pipes whose inside diameters are 5cm each. If the liquid speed in the every of the smaller pipes is 2m/s find its speed in the larger pipe.
Refer to the drawing that accompanies this problem. Suppose that the voltage of the battery in the circuit is 4.33 V, the magnitudeof the magnetic field (directed perpendicularly into the plane ofthe paper) is 0.578 T, and the length of the rod be..
a swimmer heads directly across a river swimming at 1.8 ms relative to the water. she arrives at a point 37 m
Suppose you performed the experiment in atmosphere of Argon at 25 deg. C, How many electrons have been attached to, or detached from the initially neutral plastic sphere
if the battery in a circuit is taken out and the current becomes zero. how does the current remain zero without the battery
This problem is in a beaker. The large container shown in the picture above is filled with a liquid of density 1.1E3 kg/m3. A small hole of area A=2.5E-6 m2 is open in the side of the container a distance h below the liquid surface, which allows a..
A gyroscope with rotational inertia 6.4 10-3 kg·m2 is precessing in a horizontal plane at 0.46 rad/s under the influence of a 0.34 N·m torque caused by a force pointing vertically downward
You combine two thin lenses by placing them in contact so that their axes coincide, forming what is called a compound lens. Find the focal length of this compound lens
The bar is held by a cord that makes a 90? angle with respect to bar and 50 ? with respect to wall. Illustrate what is the magnitude of the horizontal force Hx on the pivot? The acceleration of gravity is 9.8 m/s2.
Light from a sodium light with wavelength 589 nm illuminates two narrow slits. The fringe spacing on a screen 180 cm from the slits is 5.00mm. what is the spacing d between the slits
The owner of a van installs a rear-window lens that has a focal length of -0.300 m. When the owner looks out through the lens at an object located directly behind the van, the object appears to be 0.210 m from the back of the van, and appears to b..
A trees image on a 35mm color slide is 1.8mm high. It is to beprojected onto a screen 3m from the slide and will appear 493mmhigh. What is the magnification of the system
High power lasers are used to cpmpress a plasma (a gas ofcharged particles) by radiation pressure. Find the pressure exerted on the plasma if the plasma reflects all the light beamsdirectly back along their paths
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