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Consider a uranium nucleus to be a sphere of radius R = 7.4x10^-15 m with a charge of 92 e distributed uniformly throughout its volume.
(a) What is the electric force exerted on an electron when it is 3.0x10^-15 m from the center of the nucleus?
(b) What is the acceleration of the electron at this point?
While taking a walk around your neighborhood, you see a flash of lightning hit the Earth in the distance. How far away did the lightning strike the ground
A 1000 kg car carrying four 84 kg people travels over a %u201Cwashboard%u201D dirt road with corrugations 3.8 m apart, by how much does the car body rise on its suspension
q1. a spool of thin wire with inner radius r 0.50 m outer radius r 0.56 m and moment of inertia icm 0.81 kgm2 pivots
When light of wavelength 350 nm falls on a potassium surface, electrons having a maximum kinetic energy of 1.31 eV are emitted. determine the work function of potassium
a) calculate E1' and E2', the lorentz transformations of E1 and E2 b) calculate the distances E1E2 and E1'E2' with the four dimensional scalar product of the time position vector within itself
An object is 22cm in front of a diverging lens with a focal length of 11cm. Is the image upright or inverted
consider a theoretical head on collision between two carts of equal mass and equal speed. what is teh total momentum before collision
A 7.11-kg box is sliding across the horizontal floor of an elevator. find the kinetic frictional force that acts on the box
A electron is accelerated from rest by the potential difference of 350 V. It then enters a uniform magnetic field of magnitude 200 mT with its velocity perpendicular to the field.
A particle known as a pion lives for a short time before breaking apart into other particles. what is the lifetime according to a hypothetical person who is riding along with the pion
A high-performance sports car can go from 0 to 100 mph in 7.8 s. (Assume the car travels in the positive direction. What is the car's average acceleration
What would the first allowed orbital be for a particle whose mass is 2 x 10 ^ -39 kg and velocity was 30% the speed of light
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