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Two slits spaced 0.450 mm apart are placed 76.0 cm from a screen.
What is the distance between the second and third dark lines of the interference pattern on the screen when the slits are illuminated with coherent light with a wavelength of 490 nm ? (answer in mm)
A 6.50?Fcapacitor that is initially uncharged is connected in series with a 4500resistor and a 505 V emf source with negligible internal resistance. A long time after the circuit is completed (after many time constants), what are the values of the ..
What is the acceleration of a 747 jumbo jet, mass 31,000 kg, in takeoff when the thrust for each of its four engines is 28,000 N?
A Young's double-slit interference experiment gives bright fringes separated by 30.5 cm on a screen when the experiment is performed in air. What is the new spacing between bright fringes
When an archer pulls an arrow back in his bow, he is storing potential energy in the stretched bow. Compute the potential energy stored in the bow
The motor in a refrigerator has a power of 156 W. If the freezing compartment is at 268 K and the outside air is at 302 K, what is the maximum amount of energy
What is average kinetic energy of each helium atom
voltage amplifier stages having the characteristics show in the following table are available. the signal source has
Light inside an optical fiber tube hits the wall between the tube and air. What is the index of refraction of the tube
A block of wood has a mass of 3.87 kg and a density of 584 kg/m3. It is to be loaded with lead so that it will float in water with 0.84 of its volume immersed. What mass of lead is needed if the lead is on top of the wood
A person weighs 75 N on the surface of the moon and 427 N on the surface of the Earth. What is the acceleration of gravity on the surface of the moon
When she reaches the bus, explain how fast is the bus traveling? If the student's top speed is 2.20m/s^2 , will she catch the bus? What is the minimum speed the student must have to just catch up with the bus?
An electron moving to the right at 0.900c collides with a positron moving to the left at 0.900c. What is the wavelength of the protons
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