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A ray is incident on a sheet of transparent material by parallel sides. The angle of incidence is 60° and the thickness of the sheet is t = 1.40 cm. As the ray passes during the sheet, it is displaced x = 0.650 cm from its original direction of motion. What is the index of refraction of the sheet? (Hint: Use geometry to write two separate expressions for z, the distance that the ray travels during the sheet. Eliminate z from these two equations to get an equation in which the only unknown is the refracted angle. )
A 35 N boy pushes down on the ground with a force of 10 N perpendicular to the surface of the ground. What is the magnitude of the force of the ground on the boy
A 3.0 m tall, 60 cm diameter concrete column supports a 205,000 kg load. By how much is the column compressed
An automobile with a mass of 2250 slugs is driven around a circular curve, What is the centripetal force on the car
An air conditioner draws 12 A at 220 V ac. The connecting cord is copper wire with a diameter of 1.450 mm. how much power does this air conditioner draw
an audience of 1800 fills a concert hall of volume 2.2times104 m3.if there were no ventilation by how much would the
What the max speed of the oscillator?
An object rotates about a fixed axis, and the angular position of a reference line on the object is given by ? = 0.60e8t, what are the magnitudes of the point's
A gas is compressed from 668 cm3 to 230 cm3 at a constant pressure of 306 kPa. Obtain the change in thermal energy of the gas during this process
A loop antenna of area 2.00 cm2 and resistance 5.03 µΩ is perpendicular to a uniform magnetic field of magnitude 16.0 µT. The field magnitude drops to zero in 2.84 ms. how much thermal energy is produced in the loop by the change in field?
A 5-kilogram object initially slides with speed vo in a hollowfrictionless pipe. The end of the pipe contains two springs. one nested inside the other, Calculate the spring constant for the inner spring
Standing waves on a 1.7m -long string that is fixed at both ends are seen at successive frequencies of 36 Hz and 54Hz. What is the fundamental frequency
a fire hose exerts a force on the person holding it. this is because the water accelerates as it goes from the hose
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