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You will explain in detail the principles and laws of electrodynamics under which Maglevtrains operate. You will describe propulsion, guidance and levitation(250 word min for each question):
1. What is required and how to start the train moving(Hint: electric motor)
2. How to stop the train (Hint: magnetic break)
3. How to begin and maintain levitation of the train (hint: eddy currents)
4. How to keep the train on course( guidance: requirements for guide rail, guide coils).
5. What are the advantages and disadvantages of Maglev trains.
A bicyclist of mass 78 kg putsall his weight on each downward-moving pedal as he pedals up asteep road. determine the magnitude of the maximum torque he exerts
You ski straight down a 43.4° slope, starting from rest and traveling a distance of 10.3 m along the slope. Find your final velocity
What is the rms current in a series RC circuit if = 3.2 kOhm, C = 0.8 microfarads (uF) , and the rms applied voltage is 130V at 79Hz? What is the power dissipated by the circuit
A rock is dropped in a large tank of benzene (n=1.5) and sinks to the bottom of the tank. what is the actual depth of the rock
After the collision, the blue puck has a velocity of 2i – 2j m/s. Illustrate what is the velocity of the gold puck after the collision?
A wire loop with an area of 3.0×10?2 is in a magnetic field of 0.23 directed at a angle 30 to the plane of the loop. If the field drops to zero in 47 , what is the average induced emf in the loop?
An elevator cable breaks when a 774 kg elevator is 22.9 m above a huge spring (k = 8.00104 N/m) at the bottom of the shaft. Calculate the speed of the elevator just before striking thespring
A flywheel having constant angular acceleration requires 4.6-{rm s} to rotate through 162 rad. Its angular velocity at the end of this time is 100 rad/s. Find out the angular velocity at the beginning of the 4.6s interval; the angular acceleration..
A concave mirror has a radius of curvature of 24cm. Determine the object position for which the resulting image is upright, draw a ray diagram to determine the position of the image
A rocket is fired at a speed of 82.0 m/s from ground level, at an angle of 31.0 ° above the horizontal. The rocket is fired toward an 6.95-m high wall, which is located 18.0 m away.
What is an average speed for the new trip
A uniform line charge of linear charge densitylambda=3.6nC/m extends fromx= 0 tox= 5 m What is the total charge?
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