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What is the expression for the deBroglie wavelength of the matter waves?
The maximum wavelength that an electromagnetic wave can have and still eject electrons from a metal surface is 469 nm. What is the work function W0 of this metal? Express your answer in electron volts.
A long solenoid of 500 turns carrying a current of 3.7 Amp produces within itself a uniform magnetic flux of 2.8 mWb. Find what is the self-inductance of the coil
suppose that the magnetic field of the earth were due to a single current moving in a circle of radius 2910 km through
A 3.70 meter long, 450 kilogram steel beam extends horizontally from the point, Find the magnitude of the torque about the point where the beam is bolted into place
An ideal gas at STP, originally occupying a volume of 0.115 m^3, expands isothermally until its pressure falls to 0.85 atm. How much heat flows into the gas
A ball falls straight down onto a wedge that is sitting on frictionless ice. The ball has a mass of 3.21 kg, what is the velocity of the ball after the collision
A hollow cubical box is 4.09 m on an edge. This box is floating in a lake with one-third of its height beneath the surface. What is the depth of the water in the box at the instant the box begins to sink
A mass of 0.5 kg is attached to the end of a massless spring of spring constant 0.75 N/m. What is the total energy contained in this system
Four point charges have the same magnitude of 2.6 x10-12 C and are fixed to the corners of a squarethat is 6.0 cm on a side. Three of the charges are positive and oneis negative. Determine the magnitude of the net electric field that exists at the..
A particle decelerates with he rate of -12t, where t is time in seconds. If the particle has an initial velocity of 20 m/s and a zero displacement, Determine the distance travelled before it comes to a stop
A mass m1 = 4.7 kg rests on a frictionless table and connected by a massless string over a massless pulley to another mass m2 = 4.3 kg which hangs freely from the string. What is the tension in the string as the block falls
The line makes an angle of 75° with respect to the field. Determine the magnitude of the magnetic force on a 100 m length of line.
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