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A hydrogen atom consists of a proton and an electron. if the orbital radius of the electron increases then the potential energy of the electron increases... why is this? please explain in detail.
two conductors having net charges of 10.0microc and -10.0 microc have a potential difference of 10.0 v between them.a
a 4.6kg sphere made of metal whose density is 3800kg/m^3, is suspended by a cord. What fraction of the volume of the sphere is submerged
A hockey puck is hit on a frozen lake and starts moving with aspeed of 10.7 m/s. Five seconds later,its speed is 5.60 m/s. What is its average acceleration? What is the average value of the coefficient of kineticfriction between puck and ice?
a 2.9-kg cart is rolling along a frictionless horizontal track towards a 1.6-kg cart that is held initially at rest.
at each moment during its flight a projectile has a velocity v and an acceleration a. the components of these variables
q1. an ambulance travelling at 39 ms approaches a car heading in the same direction at a speed of 19 ms. the ambulance
The magnitude of a magnetic field a distance 0.0001 m from a wire is 11.0*10^4 T. How much current is flowing through the wire
At its Ames Research Center, NASA uses its large "20-G" centrifuge to test the effects of very large accelerations ("hypergravity") on test pilots and astronauts. How fast must the astronaut's head be moving to experience this maximum acceleration
light of wavelength 550 nm of air is found to travel at 1.96 x 10^8 m/s in a certain liquid. what is the frequency of the light in air
Illustrate what is the maximum load that can be hung from a copper wire of diameter 0.46 mm? Answer in units of N.
A square loop 15 cm on a side lies in the xy plane. Its resistance is .55 ohm. A magnetic field points in the +z direction, What is the direction of the induced current in the loop
In a certain automobile engine with an efficiency of 19.2%, combustion of gasoline in one cylinder releases 490 J of heat. Find the total mechanical power produced by all four cylinders, operating at 48 cycles/s, or 2880 rpm
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