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An electric motor consists of a 70 turn coil 3.0 centimeter in diameter, mounted between the poles of a magnet that produces a 0.07 T field.
(a) When a 7.2 Amp current flows in the coil, calculate its magnetic dipole moment?
Answer = _______________ A•m2
(b) Calculate the maximum torque developed by the motor?
Answer = ______________ N•m
A half-Atwood's machine consists of two masses, m1 = 8 kg and m2 = 5 kg, which are connected by a light string that passes over a pulley. what speed will it have just before hitting the floor
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A flywheel rotates at 7200 rev/min when the power is suddenly cut off. How many revolutions does the flywheel makes before coming to rest
Four equal masses M are spaced at equal intervals, l, along ahorizontal straight rod whose mass can be ignored. find the momentof inirtia of the system about this axis
A spaceship is approaching a space station at a speed of 2.55 multiply.gif 105 m/s. What is the frequency of the beacon observed on the spaceship
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