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Photons of a certain ultraviolet light have an energy of 6.49 10-19 J.
(a) What is the frequency of this UV light?
Hz
(b) Use λ = c/f to calculate its wavelength in nanometers (nm).
nm
The Zacchini family was renowned for their humancannonball act in which a family member was shot from a cannon using either elastic bands or compressed air. what was the magnitude of the force propelling him
A particle with charge ?2 µC is located on the x-axis at the point 4 cm, What is the magnitude of the total electrostatic force on a third particle with a charge of -2 µC placed on the x-axis at -2 cm
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when a dislocation passes right through a crystal slip equal to a lattice spacing occurs. estimate the number of
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What force must be applied to push a carton weighing 310 N up a 16° incline, if the coefficient of kinetic friction is 0.41
A wheel starts to rotate with constant acceleration and in 1minute performs 1000 rotations. Find acceleration and final speed of the wheel
The passengers in a carnival ride travel in a circle of radius 5.0 m. They make one complete circle in a time t=4.0 S. What is their acceleration
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