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Consider a uranium nucleus to be a sphere of radius R = 7.4 x 10^-15m with a charge of 92e distributed uniformly throughout its volume. (a) What is the electric force exerted on an electron when it is 3.0 x 10^-15 m from the center of the nucleus? (b) What is the acceleration of the electron at this point?
A 7,800-kg truck runs into the rear of a 1,000-kg car that was stationary. The truck and car are locked together after the collision and move with speed 2 m/s
An electron is brought to a point 0.1 m from the center of the sphere. What is the force acting on the electron (magnitude and direction) ? What is the electric field (magnitude and direction ) at the point where the electron is located
The inner and outer surfaces of a cell membrane carry a negative and positive charge, respectively. What is the magnitude of the electric field in the membrane
a 5.00-kg object moves clockwise around a 50.0 cm radius circular path. at one location the speed of the object is 4.00
Consider an infinitely large non-conducting sheet in the xy-plane with uniform charge density σ. Write down theexpression that defines the electric field everywhere inspace.
The work function of zinc is 3.6 eV. What is the maximum energy of the photoelectrons ejected by UV light of wavelength 3000 angstroms?
The best leaper in the animal kingdom is the puma, With what speed must the animal leave the ground to reach that height
tom the cat is chasing jerry the mouse across the surface of a table 1.2 m above the floor. jerry steps out of the way
A dart is thrown horizontally toward the bull's-eye, point P on the (non-standard size) dart board in the figure, with an initial speed of 8.9 m/s. It hits at point Q on the rim, vertically below P 0.14 s later. What is the distance PQ? How far aw..
The human reaction at operating a stop watch
A 0.36-kg object connected to a light spring with a force constant of 24.4 N/m oscillates on a frictionless horizontal surface. Determine the maximum speed of the object
a muon and an antimuon are moving in opposite directions with velocities of -0.9 c and 0.9 c respectively. when they
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