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Photons of wavelength 450 nm are incident on a metal. The most energetic electrons ejected from the metal are bent into a circular arc of radius 12.0 cm by a magnetic field with a magnitude of 1.06 x 10-5 T. What is the work function of the metal?
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A car accelerates down a hill, going from the rest to 30.0 m/s in 6.00 s. A toy inside the car hangs by a string from the car's ceiling. The ball in the figure represents the toy, of the mass 0.200 kg. The acceleration u ...
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