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What is the magnitudeof the electric field at a distance of 4.10×10−10 m from a uraniumnucleus?What is the magnitude of the force on anelectron at that distance?Treating the electron classically, that is, as apoint object that can move around the nucleus at reasonably slowspeeds, what is the period of the electron's motion?Againtreating the electron classically, how fast it it moving?What would the magnitude of theforce be if the distance of the electron from the nucleus werehalved?
A frictionless plane is 11.5m long and inclined at 32.7 degrees. A sled starts at the bottom with an initial speed of 6.05 m/s up the incline. Find the initial speed of the second sled
Estimate the average speed of the Apollo spacecraft in meters per second, given that the craft took five days to reach the Moon from Earth
A white light beam shines directly on a very thin oil film that floats on water, where the incident beam normal to the surface. Find the wavelength and color of the light
Michael and Misty are standing motionless together on the ice at the center of a very slippery frozen pond. what is Michael's acceleration
An inductor has a 57.6-? reactance when connected to a 60.0-Hz source. The inductor is removed and then connected to a 49.0-Hz source that produces a 90.0-V rms voltage. What is the maximum current in the inductor?
An aircraft weighing 819 N is accelerated at 11.7 m/s2 for 5 seconds, at which time the aircraft launches. What is the force required to launch the aircraft
At high noon, the Sun delivers 825W to each square meter of a blacktop road. If the hot asphalt loses energy only by radiation, what is its equilibrium temperature.
A projectile is shot from the edge of a cliff h = 105 m above ground level with an initial speed of v0 = 135 m/s at an angle of 37.0Â ° with the horizontal.
The place you get your hair cut has two nearly parallel mirrors 7.0 m apart. As you sit in the chair, your head is 1.0 m from the nearer mirror. Looking toward this mirror, you first see your face and then, farther away, the back of your head.
A 0.30 m 0.30 m 0.10 m block is suspended from a wire and is completely under water. What buoyant force acts on the block
The mean or average value of the potential energy of the electron in a hydrogen atom can be found by integrating the potential function with the corresponding radial probability density. Find the average potential energy in the 2p state of atomic hyd..
A fan blade rotates with angular velocity given by ?z(t)= ? ? ? t2, where ? = 4.60rad/s and? = 0.795rad/s3, Calculate the angular acceleration as a function of time
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