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Question: From Ampere's law, we found that the magnitude of the magnetic field a distance r from a current-carrying wire is B = µ0I/(2pr). Calculate the total magnetic flux through the dashed rectangular surface below. The current in the wire is 2.4 A in the direction indicated.
Suppose a neutrino is created and has an energy of 49.0 MeV. (a) Assuming the neutrino, like the photon, has no mass and travels at the speed of light, find the momentum of the neutrino. (b) Determine the de Broglie wavelength of the neutrino.
a ball is thrown upward from the roof of a building, passes the roof going down three seconds later, how fast did the ball strike the ground
You set up an experiment with two polarizer screens on an optical bench, What is the ambient light in the room as you took your data
In 1911, Ernest Rutherford and his assistants Geiger and Marsden conducted an experiment in which they scattered alpha particles, What is the smallest distance between the alpha particle and the nucleus before the alpha particle reverses direction
A 40.0g ball of clay traveling east at 3.00m/s collides, What is the speed of the resulting ball of clay
You place a penny on a turntable at a distance of 8.0 cm from the center. How long after you turn on the turntable will the penny begin to slide off of the turntable
Usain Bolt is running a 100m dash. He accelerates to top speed over the first 45 m, then runs at a constant speed for the last 55 m, What is his top speed
A 15g bullut is stopped in a block of wood ( mw=5.8 kg). What was the origional speed of the bullet
A 3-ft-diameter semicircular channel made of unfinished concrete is to transport water to a distance of 1-m uniformly. determine the minimum elevation difference across the channel
A tennis player hits a 58.0g tennis ball so that it goes straight up and reaches a maximum height of 7.05m . A) How much work does gravity do on the ball on the way up? B) How much work does gravity do on the ball on the way down?
Suppose in the drawing that I1 = I2 = 42.4 A and that the separation between the wires is 0.0215 m. What is the magnitude of the external field
The resistivity of gold is 2.44 x 10-8 ohms.m at room temperature. A gold wire that is 0.9 mm in diameter, What is the electric field in the wire
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