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A cubic metal box with sides of 19 cm contains air at a pressure of 1 atm and a temperature of 253 K. The box is sealed so that the volume is constant, and it is heated to a temperature of 353 K. Find the force due to the internal air pressure on each wall of the box.
_______kN
The parallel metal plate of a capacitor is separated by a distance of 0.5cm and is connected to a 90v battery. Discover an electric field between them and the surface charge density .
The hunter uses a small powerboat that moves at a maximum speed of 9 km/h with respect to the water. Illustrate what is the minimum time necessary for crossing?
A cube made of steel 0.300 meters on a side is suspended from a scale until it is completely immersed in fresh water
A coil with magnetic dipole moment 1.5 A-m^2 is rotated initally with its magnetic moment parallel to a uniform magnetic field of 0.4T. what is the change in potential energy of the coil
we mixed up some unknown mass of ice at 0 C with 1 kg of steam at 100 C and soon established thermal equalibrium at 55 C what was the mass of ice
A spherical drop of water carrying a charge of 11 pC has a potential of 590 V at its surface (with V = 0 at infinity). What is the radius of the drop
Blocks with masses of 2 , 4 , and 6 are lined up in a row on the frictionless table. All three are pushed forward by a 56 force applied to the 2 block. How much force does the 4 block exert on the 6 block.
An electric field of 7.90 x10^5 V/m is desired between two parallel plates, each of area 41 cm2 and separated by 2.45 mm of air. What charge should be on each plate.
A thin uniform rod (length = 2.01 m, mass = 3.11 kg) is pivoted about a horizontal frictionless pin through one of its ends. What is the angular acceleration of the rod at the instant it is released
a point source of light is submerged 2.2m below the surface of a lake and emits rays in all directions. what is the maximum radius that this circle could have
The average banana contains 0.436 g of potassium, and 0.012% of naturally occuring potassium is 40K, What is the activity of a freshly picked bunch containing four bananas
A generator connected to an RLC circuit has an rms voltage of 130V and an rms current of 33mA, what is the inductive reactance of the circuit
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