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A charge q= 4.0 μC is moved 0.25 meter horizontally from the origin to point P in a region where an electric field is 150 V/m and directed vertically. Find the change in the electric potential energy of the charge?
The creation of elements in the early universe and in the starsinvolves protons tunneling through nuclei. Find the probability of the proton tunneling through 12C
q1. what is the theoretical maximum amount of ice that the freezer might make per hour starting with water at 20 ?c?q2.
An object with mass 2.7 kg is executing simple harmonic motion, attached to a spring with spring constant k=280N/m. Calculate the maximum speed attained by the object
a slab ofmass m1 = 40 kg rests on africtionless floor, and a block ofmass m2 = 10 kg rests on top of theslab. Between block and slab, What is the resulting acceleration of the slab
A 110 kg mail bag hangs by a vertical rope 4.0 m long. A postal worker then displaces the bag to a position 2.0 m sideways from its original position, always keeping the rope taut. As the bag is moved to this position, how much work is completed by t..
Provide your answer in m/s in scientific notation to three significant digits (i.e. 1.15*10^2)
A 950-kg car strikes a huge spring at a speed of 20 m/s, compressing the spring 5.5 m. What is the spring stiffness constant of the spring
A person is standing on a level floor. His head,upper torso, arms and hands together weigh 438N and have a centerof gravity that is 1.17m above the floor. obtain the location of the center of gravity for entire body
A high fountain of water is in the center of a circular pool of water. You walk the circumference of the pool and measure it to be 150 meters. How high is the fountain
A 1967 Kennedy half-dollar has a mass of 1.150 x 10-2 kg. The coin is a mixture of silver and copper, and in water weighs 0.1012 N. Determine the mass of silver in the coin
When water is boiled under a pressure of 2.00 atm, the heat ofvaporization is 2.20 x 10^6 J/kg and the boling point is 120Degrees C. Compute the increase in internal energy of the water
a johnny is running home from school to watch his favorite soap opera as the stomach turns. he runs 6 blocks east to a
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