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A) 650nm light is incident on a diffraction grating of 1200 lines per cm. If the wall is 5m away from the diffraction grating, how far apart is each maximum?
A cubic box with sides of 20 cm contains 2 x 1023 molecules of helium with a rms speed of 200m/s. The mass of helium is 3.4 x 10-27 kg. What is the average pressure exerted by the molecules
the only force acting on a 2.0 kg canister that is moving in an xy plane has a magnitude of 5.0 n. the canister
150ml of water at 20.0C is placed in the freezer compartment of a refrigerator with a coefficient of performance of 6.00. How much heat energy is exhausted into the room
Sphere 1 with radius R1 has positive charge q. Sphere 2 with radius 8.0R1 is far from sphere 1 and initially uncharged. what fraction of qends up on sphere 1
A 45.0 resistor, a 0.100 H inductor, and a 10.0 µF capacitor are connected in series to a 60.0 Hz source. The rms current in the circuit is 2.55 A. Find the rms voltages across the inductor
A 2.00 kilogram cart is moving at a rate of 4.0 meters per second when a continual force of 16.0 newtons begins to act on the cart in the direction of motion. What is the speed of the cart after 7.0 seconds?
A Carnot engine is operated between a hot and a cold reservoir. The temperature dissimilarity between the two reservoirs is 284°C. If the efficiency of this ideal engine is 24.0%, discover the temperature of the cold reservoir in °C.
An electron is suspended in a vacuum between two oppo- sitely charged horizontal parallel plates. What is the voltage across the plates
A car with mass of 1000.0 kg accelerates from 0 m/s to 40.0 m/s in 12.0 s. Ignore air resistance. What is the average mechanical power output of the engine
It takes four hydrogen nuclei to create one helium nucleus in the proton-proton chain, How much mass is converted into energy to create four helium nuclei
Components of some computers communicate with each other through optical fibers having an index of refraction n = 1.25. What time in nanoseconds is required for a signal to travel
The width of the ribbon normal to a radius vector originationg at the star's center is much greater than the thickness of the ribbon in the radial direction.
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