Angle of refraction nearest to
A ray in air is incident on the glass plate whose index of refraction is around 1.42. The angle of refraction is one-half the angle of reflection. The angle of refraction is nearest to?
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A circular coil having 20 turns and radius 5 cm is positioned with its plane oriented at 90 degrees to a magnetic field of 0.1T. The field is now raised at a steady rate, reaching a value of 0.5 T after 4 seconds. Determine what emf is induced in
i) Where must a man of mass M = 75 Kg sit if the system (plank plus man and woman) is to be balanced? ii) Determine the normal force applied by the pivot on the plank.
A mass of 0.30 kg joined to the end of a string swings in a vertical circle (R = 1.4 m). At an instant if theta = 30 degrees, the speed of the mass is around 6.0 m/s. Determine the magnitude of the resulting force on the mass at this instant?
Determine the approximate length of the Golden Gate Bridge if it is recognized that the steel in the roadbed expands through 0.507 m if the temperature changes from +2.75 to +34.5 °C.
A bright light on the bottom of a swimming pool of 3.50 m deep is emitting rays upwards uniformly in all the directions. Describe why from outside the pool you will merely see a circular area of light illuminated on the water’s surface and c
A mass of 4.0 kg on the end of a string rotates in the circular motion on a horizontal frictionless table. The mass consists of a constant speed of 2.0 m/s and the radius of the circle is 0.80 m. Find out the magnitude of the resulting force actin
A ray in glass arrives at the glass-water interface at the angle of 48 degrees with the normal. The refracted ray, in water, forms a 68 degree angle with the normal. The index of refraction of water is 1.33. (The angle of incidence of a different
A closed-loop conductor having radius 2.0 m is positioned in a changing magnetic field. When the maximum emf induced in the loop is 2.0 V, determine the maximum rate at which the magnetic field strength is changing when the magnetic field is orien
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How do you usually help parents shift their perspective when they expect more academic style activities at this age?
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