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Two 1.0 kg masses are 2.0 m apart on a frictionless table. Each has 1.0 uC of charge.
1. What is the magnitude of the electric force on one of the masses?
2. What is the initial acceleration of each mass if they are released and allowed to move?
If a person of mass M simply moved forward with speed V, his kinetic energy would be1/2 MV^2. However, in addition to possessing a forward motion, What is the average angular velocity of his arms and legs
A gas is compressed at a constant pressure of 0.800 atm from9.00 L to 2.00 L. In the process,400 J of energy leaves the gas by heat. What would be the change in its internal energy
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A solid conducting sphere with radius that carries positive charge is concentric with a very thin insulating shell of radius 2 that also carries charge . The charge is distributed uniformly over the insulating shell. Q: Find the magnitude of the elec..
the nobel prize was given to penzias and wilson in 1978 for their observation of the cosmic background radiation the
A flask is filled with 1.53 L (L = liter) of a liquid at 90.7 °C. When the liquid is cooled to 16.5 °C, find the coefficient of volume expansion of the liquid
a 30kg child wants to use a 20kg board that is 6.0m long as a seesaw. since all her friends are busy, How far from her will the support be
a 15 g lead bullet traveling at 240ms passes through a thin wall and emerges at a speed of 160ms . if the bullet
A Hall probe uses the Hall effect to measure the size of magnetic fields - it does this by measuring the potential difference across the electric field created by the displacement of charge
WPHY AM Radio transmits on a frequency of 970 kHz, omnidirectionally, with a power of 20 kW. What is WPHY's intensity where you live
A thin metal foil separates one end of two pieces of optically flat glass (n = 1.5), the gap between the plates is filled with water (n = 1.33), What is the thickness of the foil
When in orbit, a communication satellite attracts the earthwith a force of 20.0 kN, Find the mass of the satellite
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