Physics, 21.04.2021 15:20 miamidolphinslv9736
N1 sino1 = n2sino2
1. A ray of light in air is incident on a block of Lucite at an angle of 55' from the normal. Calculate
the angle of refraction in the Lucite.
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Afrequency generator sends a 550 hz sound wave through both water and ice. what is the difference in wavelength between the wave produced in ice and the wave produced in water?
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Two cannon balls weighing 18 kg and 24 kg are chained together and fired horizontally with a velocity of 165 m/s from the top of a 21-m wall. the chain breaks during the flight of the cannonballs and the 18-kg cannonball strikes the ground at t = 1.5 s, at a distance of 240 m from the foot of the wall, and 7 m to the right of the line of fire. determine the position of the other cannonball at that instant. neglect the resistance of the air.
Answers: 1
N1 sino1 = n2sino2
1. A ray of light in air is incident on a block of Lucite at an angle of 55' fr...
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