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A small current loop of area A=0.0008m2 and moment of inertia I=6.9e-07kgm2 carries a current i=0.0039A with its magnetic moment perpendicular to the Earth's magnetic field. The magnitude of the Earth's field is B=4.2e-05T.
a) What is the magnitude of the net torque T on the loop?T = ____ Nm
b) What is the angular acceleration a of the loop?a = ___ rad/s2
An electrically neutral model airplane is flying in a horizontalcircle on a 3.0m guideline, which is nearly parallel to theground. The line breaks when the kinetic energy of the planeis 50.0 J.
A 8.00 nF capacitor is charged up to 14.0 V , then disconnected from the power supply and connected in series through a coil. Calculate the maximum charge on the capacitor
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A "1m" mercury germicide lamp emits 50 Watt of 0.2537?m light through its quartz tube. compute the frequency of this light
the index of refraction of the core of a piece of fiber optic cable is 1.76. if the index of the surrounding cladding
The drawing shows a version of the loop-the-loop trick for a small car. If the car is given an initial speed of 3.2 m/s, what is the largest value that the radiusr can have if the car is to remain in contact with thecircular track at all times?
A rocket of total mass 3180Kg is traveling in outer space witha velocity of 115m/s. how much mass must be expelled
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An indestructible bullet 2.00 cm long is fired straightthrough a board that is 10.0 cm thick. What is the average acceleration of thebullet through the board
q1. a home fragment found in a cave believed to have been inhabited by early humans contains 0.21 times as much14c as
Two frictionless carts are pulled (horizontally to the left) by a force of F1=24N. m1=2.0kg and m2=4.0kg, find the tension in the connecting cord
A lamp that plugs into a 120V wall socket can use either a 60W or 100W bulb. Which bulb has the higher resistance
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