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In a Young's double slits experiments. The interference patterns are shown on the screen.
1.) What is path difference between he ray form the one slit to the forth order od destructive fringe and the ray fom the other slit to the destructie fringe?
2.) Show the path difference in your drawing of ray disgram. ? = red laser light. L= 20 cm from the oduble slits to a screen. The separation of the double slits is 3mm.
3.) Find the angle of the order of the destructive fringe.
One skater throws a .3 kg ball at 5 m/s to his friend, who catches it and throws it back at 5 m/s. When the first skater has caught the returned ball, Illustrate what is the velocity of each of the two skaters?
If a heat engine is operating at a coefficient of performance of 2.50 and 3.00 J of heat is absorbed from the surroundings, determine the magnitude of heat expelled.
A ball rolls horizontally off the edge of a tabletop that is 1.40 m high. What was its speed at the instant it left the table
A scuba diver can withstand pressures up to 4.2 atm without rish of getting the bends. What is the maximum safe diving depth
Find the electric field at the position of the electron. What is the potential difference in volts between the plates.
Driving in your car with a constant speed of 13 m/s, you encounter a bump in the road that has a circular cross section, as indicated in the figure. If the radius of curvature of the bump is r = 29 m, find the apparent weight of a 59-kg person in you..
A ball is thrown horizontally from the top of a 60.0-m building and lands 100.0 m from the base of the building. Ignore air resistance. (a) How long is the ball in the air?
A car weighing 1.06 multiply.gif 104 N is at rest on a 29.0° incline. Each wheel bears an equal part of the car's weight. Find the frictional force exerted by the road on each wheel
A submarine sends a sonar signal, which returns from another ship 2.250 s later. How far away is the other ship if the speed of sound in seawater is 1,530.0 m/s
The Doppler effect using ultrasonic waves of frequency 2.21×106 is used to monitor the heartbeat of a fetus. calculate the maximum velocity of the surface of the beating heart
A 1.5 kg copper block is given an initial speed of 3 m/s on a rough horizontal surface. Because of friction, the block finally comes to test. If the block absorbs 85% of its kinetic energy, calculate its increase in temperature.
A circular coil having an area of 24 cm^2 is plaved in a uniform magnetic field of 0.60T, which is derected vertically upward. Find the magnitude of the magnetic flux contained in the coil
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