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What is the distance of closest approach of the two particles? (Assume that the gold nucleus remains stationary and that it may be treated as a point charge. The atomic number of gold is 79, and an alpha particle is a helium nucleus consisting of two protons and two neutrons.)
How fast would it be moving after it had fallen a distance of 0.010-m? (Assume that the gravitational force is constant over the distance of the fall, and that the star is not rotating.)
A 2000 kg car starts at rest at the bottom of a hill. The road is flat at an angle of 5.22% with the horizontal. Accelerating at a constant rate, Find the power the car needs to do this
A railroad car of mass 4.0 * 10^4 kg moving at 5.0 m/s collides and couples with two coupled railroad cars, each of the same mass as the single car and moving in the same direction at 1.50 m/s.
in a diesel engine the piston compresses air at310k to a volume that is0.0629of the original volume and a pressure that
q1. an electrical generating plant operates at the boiler temperature of and exhausts the unused heat into a nearby
A rocket with a mass of 5 x 10^5 kg has a total energy that is 6 times its rest energy. What is the relativistic kinetic energy of the rocket
According to the definition of work, the work done by an external force in moving a heavy crate along a horizontal surface should be the same whether the force is pulling upward at a 45 degree angle or pushing downward at a 45 degree angle. In practi..
White light illuminates an oil film on water. Viewing it directly from above, What is the refractive index of the oil
A child on a boat throws a 5.40 kg package out horizontally with a speed of 12.0 m/s. determine the velocity of the boat immediately after, assuming it was initially at rest. The mass of the child is 26.5 kg and the mass of boat is 55.5 kg.
The figure shows two charged particles on an xaxis: -q = -6.40 ×10-19 C at x =-4.00 m and q = 6.40 ×10-19 C at x =4.00 m. What are the (a)x-and (b)y- components of the netelectric field produced atpoint P at y = 2.00 m?Different numbers than the book..
Four equal masses m are located at the corners of asquare of side script i connected by essentially massless rods. For the following answers you may use the symbols m for m,L for script i, and g for the acceleration ofgravity. Find the rotational ine..
Two large parallel plates are separated by 0.90cmand carry uniform charge densities equal in magnitude and opposite in sign, Find the magnitude of the charge density on the plates
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