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The maximum wavelength an electromagnetic wave can have and still eject an electron from a copper surface is 264 nm.
What is the work function of a copper surface?
An elastic conducting material is stretched into a circular loop of 16.1 cm radius. What emf is induced in volts in the loop at that instant
A potter's wheel having a radius 0.450m and a moment of inertia 15 kg•m2 is rotating freely at 45 rev/min. The potter can stop the wheel in 7.50 s by pressing a wet rag against the rim and exerting a radically inward force of 68 N.
When a converging lens is used in a camera (as in the top figure), the film must be at a distance of 0.210 m from the lens to record an image of an object that is 4.00 m from the lens. How far from the projector lens should the film be placed
A particle of ionizing radiation creates 4900 ion pairs in the gas inside a Geiger tube as it passes through. What minimum energy was deposited
A large circus ride has a centripetal acceleration at 6.0 m/s2. If the circular ride has a radius of 11.0 m, what is its velocity at the edge
C harged particle(m=6 g,q=-10x10-6 q)moves in a region of uniform field along a helical path (radius = 2.0 cm, pitch = 7.0 cm) as shown. Identify the angle between the velocity of the particle and the magnetic field?
For the arrangement shown in the figure below, an object is placed 0.37 m in front of the converging lens, which has a focal length of 0.17 m. where is the final image formed
A tank is in the shape of an inverted cone, having height h = 2.50 m and base radius r = 0.750 m. If water is poured into the tank at a rate of 15 L/s, how long would it take to fill the tank.
A bicycle rim has a diameter of 0.65 m and a moment of inertia, measured about its center, of 0.29kg?m2. What is the mass of the rim
A parallel plate capacitor has a charge per unit area 30 x 10^-10 coulombs per meter^2. What is the voltage on the capacitor
The bonds are dated April 1, 2000, and are issued on that date. The discount rate of interest for such bonds on April 1, 2010, is 10%. Illustrate what cash proceeds did Harding Company receive from issuance of the bonds?
A full cylinder has an absolute pressure of 1.9 107 Pa when the temperature is 300 K. Find out the mass of oxygen in the cylinder.
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