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Two beams of light start together and then hit a slab of two different kinds of material. This will cause one of the beams to get "ahead" of the other; that is, one will emerge from the slab sooner than the other. The beams have a wavelength of 600 nm outside the slabs, and the slab is d = 1.30 microns thick. If the top half of the slab has index of refraction 1.70 and the bottom has index 1.45, by what time interval will one of the beams be ahead of the other once they've gone through the slab?
A 15-gram coin is placed on the rim of a turntable rotating at a rate of 15 RPM. The radius of the turntable is .25-meters. determine The centripetal force acting on the coin
A uniform ladder 10 m long and weighing 50 N rests against a smooth vertical wall. If the ladder is just on the verge of slipping when it makes a 50 degree angle by the ground, find the coefficient of static friction among the ladder and the ground.
Two particles with charges +5e and -5e are initially very far apart (effectively an infinite distance apart). They are then fixed at positions that are 6.78 x 10-13 m apart
At t = 5.0 seconds, the cheetah is standing still, having knocked over the gazelle. Illustrate what is the average acceleration of the cheetah from t = 0 to t = 5.0 seconds?
A 145 g baseball is dropped from a tree 11.0 m above the ground. If it actually hits the ground with a speed of 8.00 m/s, what is the magnitude of the average force of air resistance exerted on it
Light of 550nm is incident on two slits. A maximum is seen at an angle of 4.10 degrees and a minimum at 4.78 degrees. What is the distance between the slits
A ball dropped from 50 cm rebounds to a height of 33cm. Find the fraction of the original energy lost
if you hold a 40 cm high square plane mirror 45 cm from your eyes, how far are you from the pole
Two sinusoidal waves, identical except for phase, travel in the same direction along a string producing a net wave y'(x, t) = (2.5 mm) sin(17x - 4.0t + 0.840 rad), with x in meters and t in seconds. (Assume that the phase constant for one of the i..
A block weighing 77.5 N rests on a plane inclined at 25.0° to the horizontal. A force F is applied to the object at 35.0° to the horizontal, pushing it upward on the plane. Coefficients of static and kinetic friction between the plane and the block a..
A ball has a diameter of 3.77 cm and average density of 0.0842 g/cm3. What force is required to hold it completely submerged under water
A beam of 16MeV deuterons (m=2mp) from a cyclotron falls on a copper block. The beam is equivalent to a current of 15 microA, At what rate do deuterons strike the block
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