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A wide solenoid with 7500 turns of wire is 50 cm long with its main axis aligned along the vertical direction. The current in the solenoid is initially 2 A and is circling counter-clockwise as viewed from above.
a) What is the magnetic field, both magnitude and direction inside the solenoid?
b) The magnetic field strength inside the solenoid increases to 2.5T in 2.0 seconds. What is the new current in the solenoid?
c) Inside the larger solenoid is a smaller coil with 40 turns, radius 2.0 cm, and resistance of 20 ohms. Find the magnitide and direction of the induced current in the smaller coil caused by the changing flux.
At a certain instant a particle (mass=0.5 kg) is moving in the +x direction with velocity 14 m/s. What is the magnitude of the momentum of the particle (in kg*m/s) at the end of this 0.15 second interval
I composed an experiment with different materials (metals and non-metals) near an electrically charged object. what types do you think would interact
The nearpoint of an eye is 55 cm. A corrective lens is to be used to allow this eye to clearly focus on objects 25 cm in front of it. What is the power of the needed corrective lens?
A boy of mass mboy stands at the edge of a merry-go-round of radius R = 3.9 m and mass mmgr, and both are initially at rest. Find the ratio of mboy to mmgr
a wire carrying a 2-a current is placed at an angle of 60deg with the respect to a magnetic field of strength 0.2 t.
Determine the flux of particles escaping from the exobase of Earth's atmosphere using a number density at the exobase of 10^5 particles/cm^3 and a temperature of 700K.
Assume the distance between the protons in the H2 molecule is 7.50 10-11 m. Find the energy of the fourth excited rotational state, with J = 4
an air-track glider is attached to a spring. the glider is pulled to the right and released from rest at t0 rm s. it
A ray in glass is incident onto a water-glass interface, at an angle of incidence equal to half the critical angle for that interface. The indices of refraction for water and the glass are 1.33 and 1.77, respectively. The angle that the refracted ray..
If the initial speed of the block is increased to infinity, it turns out that the time taken for the block to come to a rest approaches a finite value whereas the distance traveled approaches infinity, Find the maximum time taken for the block to c..
One mole of an ideal monatomic gas is taken through the cycle shown in the figure. Assume that p = 3 p0, V = 3 V0, p0 = 1.01×105 Pa, and V0 = 0.0250 m3. Calculate the energy added as heat during stroke abc
An open-pit coal mine consumes 71hectares of land, down to a depth of 23m, each year. What volume of earth, in cubic kilometres, is separate in this time.
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