Metal absorbs a photon of frequency
The work function φ is the energy required to eliminate an electron from a metal. In terms of h, f, and φ, gives the kinetic energy, K, of the ejected electron if the metal absorbs a photon of frequency f (imagine photoelectric effect).
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A chandelier of 25.1 kg is hanged from the ceiling by four vertical steel wires. Each and every wire has an unloaded length of 1.01 m and a diameter of 2.07 mm, and each bears an equivalent load. If the chandelier is suspended, determine how far d
A single-lens camera makes a clear image of a distant object if the lens is 8.0 cm from the film. Determine how far must the lens be moved to focus on the object 2.0 m away? Determine the biggest object (at 2.0m) which could be fully imaged on 35m
Rather than catching the puck, the goalie slaps it with his stick and returns the puck straight back to the player with a velocity of -62 m/s. The puck and stick are in contact for a time of 4.10 x 10-3 s. Now, determine the average force applied
By how much will population raise between 2005 and 2030? (to nearest 0.001 million) By how much will population increase between 2030 and 2055?
The particles stick altogether. The resultant combined particle is stationary. Determine the mass of the united particle. (Make use of the conservation of total energy).
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When the radius of the coil is 3.05 cm and the resistance of coil wire is 3.55 ohms. Determine the magnitude of i) The induced EMF and
At this point, the magnetic field of earth points to the north and dips beneath the horizontal. Which side of the coil tends to lift off of the table since of the torque caused by current interaction by the magnetic field?
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