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Two slits spaced 0.445 mm apart are placed 55.0 cm from a screen. What is the distance among the second and third dark lines of the interference pattern on the screen when the slits are illuminated with coherent light by a wavelength of 540 nm?
You and a friend each drive 67 km to the same destination. You travel at 88.9 km/h and your friend at 98.8 km/h. How long will your friend wait for you at the end of the trip
questionthree point charges are located on the y-axis a charge q at ya a charge -2q at the origin and a charge q at
A particle with a mass of 3.65×10?24 kg and a charge of 6.40×10?19 C starts at rest and is accelerated for a distance of 0.104 m through a uniform electric field having strength E = 7.25×104 N/C
a cowboy fires a silver bullet of mass 5g with a muzzle speed of 257 ms into the pine wall of a saloon.what is the
What's the difference between a rotational and a circular motion and Why does vertically falling rain make slanted streaks on the side windows of a moving auto
assume you are standing on a train, both feet together, facing a window. The front of the train is to your left. The train starts moving forward.
Conservation of Energy A 100kg skier at the top of a 2km high mountain tucks the whole thing but only gets a final speed of 50m/s
An explosion breaks an object, originally at rest, into two fragments. One fragment acquires twice the kinetic energy of the other. What is the ratio of the masses
Agent Arlene devised the following method of measuring the muzzle velocity of a rifle. She fires a bullet into a 4.600-kg wooden block resting on a smooth surface, What is the speed v of the bullet
Awrecking ball (weight = 4800 N) is supported by a boom, which maybe assumed to be uniform and has a weight of 3600 N. compute the tension in the support cable
a certain toaster has a heating element made of nichrome wire. when the toaster is first connected to a 110-v source
The current in a 100 watt lightbulb is 0.800 A. The filament inside the bulb is 0.220 mm in diameter. What is the current density in the filament
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