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A sealed cubical container 22.0 cm on aside contains three times Avogadro's number of molecules at atemperature of 22.0°C. Find the force exerted by the gas on one of the walls of the container.
A capacitor can be made from two sheets of aluminum foil separated by a sheet of waxed paper. what is the capacitance of this capacitor
a 0.465 kg wood block is firmly attached to a very light horizontal spring k 165 nm . it is noted that the
Two 10-cm-diameter charged rings face each other,15.0 cm apart. Both rings are charged to + 50.0 nC. What is the electric field strength at the midpoint between the two rings? at the center of the left ring?
A 12.5-kg horizontal plank 4.00 m long rests on two supports, one at the left end and a second 1.00 m from the right end
an electron moves through an electric field and its speed drops from 2800 ms to 1900 ms. whats the potential difference
A wagon is rolling forward on level ground. Friction is negligible. The person sitting in the wagon is holding a rock. The total mass of the wagon, rider, Find the speed of the wagon
Suppose a 400-kg alligator of length 3.7 m is stretched out on a board of the same length weighing 95 N. If the board is supported on the ends as shown in the figure, and the scale reads 1,686 N, find the x-component of the alligator's center of grav..
In two attempts, a javelin is thrown at angles of 35° and 60° respectively, to the horizontal from the same height and at the same speed in each case. How many times farther
biologically usefull technetium nucleuii at wt 99 have half life of 6 hours. a solution containing 10-12 gram of this
A hydrometer is used to measure the specific gravity of liquids. For a sure liquid a hydrometer reading indicates a specific gravity of 1.15. What is the liquid's density and specific weight? State the answer in SI units.
A plane, diving with constant speed at an angle of 53.0degrees with the vertical, releases a projectile at an altitude of730 m. how far does the projectile travel horizontally during its flight
An object weighs 100 N in air. It weighs 75 N in waterand 85 N in oil. What is the density of the objet
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