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A combination of blue light(n=1.60) and red light (n=1.50) is incident on the surface of a flat glass plate. Because of dispersion there are two refracted rays. Draw a diagram showing the incident ray and both refracted rays,indicating the red and the blue rays. Calculate the angle between the refracted bleu and red rays.
Using your knowledge of statics, discuss briefly why the magnitude and direction of the knee reaction force varies with the amount of lower leg flexion and the amount of added weight.
Two resistors (connected in series with each other) and a 18 Vbattery are connected in a loop. The voltage drop across the firstresistor is 7 V. What is the voltage drop across the secondresistor?
A circular armature coil is used in a motor with a uniform magnetic field of 1.80 T. The coil has a diameter 95 cm, how much current is flowing throught the motor
When an air capacitor with a capacitance of 350 nF (1 nF = 10-9F) is connected to a power supply, the energy stored in the capacitor is 2.00×10-5J, What is the dielectric constant of the slab
A 0.170 kg tumour is being irradiated by a radioactive source. Each decay of the radioactive source produces a particle with an energy of 0.450 MeV. find the activity of the radioactive source
A person with a near-point distance of 25 cm finds that a magnifying glass gives an angular magnification that is 1.5 times larger, What is the focal length of the magnifying glass
An 9.2 mH inductor is connected to an ac generator (10.0 V rms, 650 Hz). Determine the peak value of the current supplied by the generator
A diver springs upward with an initial speed of 1.7 m/s from a 3.0-mboard. Find the velocity with which he strikes the water.
What is the average force exerted on the ball. How fast (in ) must a centrifuge rotate if a particle 6.50 from the axis of rotation is to experience an acceleration of 125,000 's.
a block of mass 0.246 kg is placed on top of a light vertical spring of force constant 5 125 nm and pushed downward so
A ball falls from the top of a building, through the air (air friction is present), to the ground below. How does the kinetic energy (K) just before striking the ground compare to the potential energy (U) at the top of the building? a. K is equal to ..
A perfect cube with sides of 9.0cm is placed so that one corner is at the origin and its faces are parallel to the coordinate planes, find the total charge located within the cube
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