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Two masses are connected by a string that is passed over a ceiling-mounted pulley, forming what is called an Atwood's machine. The first mass is 2.03 kilogram and the second mass is 5.00 kilogram. Assuming the string is ideal - no stretching, negligible mass, the pulley has any friction, and the masses encounter no air resistance, evaluate the magnitude of the acceleration of each mass.
Two overlapping beams of light of different wavelength ?a = 840 nm and ?b = 460 nm co-propagate through air, What is the angle between the beams travelling through the material
An arrow is fired with a speed of 20.0 m/s at a block ofStyrofoam resting on a smooth surface. how far into the block does the arrow penetrate
The length of nylon rope from which a mountain climber is suspended has a force constant of 1.10 ? 104 N/m. What is the frequency at which he bounces
Kaitlynne is using a magnifying glass (f = 0.098 m) while trying to solder a computer circuit board. find the distance between the glass and the circuit board
A 3-kg sphere makes and inelastic collinsion with a second sphere initially at rest. What is the mass of the second sphere
A circular coil enclosing an area of 180 cm2 is made of 210 turns of copper wire. The wire making up the coil has resistance of 9.0 ?, what is the average current in the coil during that time
A circuit consists of a 12.0- battery connected to three resistors (40 , 16 and 120 ) in series. Find the current that flows through the battery
a target plane flies at 2100 meters. an anti-craft gun fires a projectile with an initial upward velocity of 200
how to calculate the average velocity between to minutes. Estimate how for you can throw a ball if you throw it in the following situations.
visible light passes through a diffraction grating that has 900 slits per centimeter and the interference pattern is
A woman stands a distance d from a loud motor that emits sound uniformly in all directions. find the sound intensity level relative to the threshold of hearing
What is the radius of a helium-filled balloon that would carry a load of 3000 N in addition to the weight of the helium when density of the air is 1.29 kg/m^3? Density of the helium is 0.179 kg/m^3.
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