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PLEASE EXPLAIN WITH CALCULATIONS
What is the (a) “current” due to the electron orbiting in a circular path about the proton in a hydrogen atom? Take the orbital radius to be r = 0.0529 nm.] (b) What magnetic field strength does this “electron current” create at the proton location? (c) If the electron is orbiting clockwise, as viewed from above its orbital plane, what is the direction of this field?
A pendulum consists of a .155 kilograms ball hanging from a light thread, find the angle the pendulum string makes with the Vertical when the system is in equilibrium
A gun is fired vertically into a m = 1.44 kg block of wood at rest on a thin horizontal sheet directly above it. How high from the sheet will the block rise into the air
A 4-g bullet is fired into a 1.4-kg block that is resting on a table. After impact, What was the initial speed of the bullet?
The ropes in the figure below are each wrapped around a cylinder, and the two cylinders are fastened together. What is the angular acceleration of the cylinders
Hoover Dam on the Colorado River is the highest dam in the United States at 221 m, with an output of 1300 MW. Calculate the power in this flow
Suppose a car starts from rest and completes a straight line, 1/4 mile (402 meter) race in 12.3 seconds. Assume the acceleration to be constant.
You are going to lift an elephant (mass = 2.6 103 kg) over your head (1.9 m vertical displacement). Calculate the work required to do this
A film of oil with refractive index 1.45 floats on water with refractive index of 1.33. Determine the thickness of the oil film
A spherical balloon has a radius of 12.5 m, and is filled with helium. How large a cargo can it lift, assuming that the skin and structure of the balloon have a mass of 1200 kg? avoid the bouyant force on the cargo volume itself.
A person pushes a 19.7-kg shopping cart at a constant velocity for a distance of 21.3 m on a flat horizontal surface. What is the magnitude of the force that the shopper exerts
A Piece of ice of mass mi at 0 C is placed in water of mass mw at 20 C. The system is in a container of negligible heat capacity, what is the equilibrium temperature of the system
Copper pennies weighing 2.5 g have been placed in boiling water at 100 degree Celsius. How many pennies must be added to the water to raise the temperature to 31 degree Celsius
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