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An electromagnetic flowmeter is used to meausre blood flow rates during surgery. Blood containing Na+ ions flows due south through an artery with a diamter of 0.40 cm. The artery is in a downward magnetic field of 0.25 T and develops a Hall voltage of 0.35 mV across its diameter.
a.) What is the bloos speed in m/s?
b.) What is the flow rate in m^3/s? c.) The leads of a voltmeter are attached to diametrically opposed points on the artery to measure the Hall voltage. Which of the two leads is at the higher potential?
A 38.0-kg child swings in a swing supported by two chains, each 2.96 m long. The tension in each chain at the lowest point is 438 N. Find the child's speed at the lowest point
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A series RLC circuit consists of a 96.0 ? resistor, a 0.200Hinductor, and a 43.0 ?F capacitor. It is attached to a120 V/60 Hz power line. What is the average power loss
An astroid of mass 2.1 x 10^15 kg splits apart. Asume the original astroid was at rest, what is the final velocity of the larger piece after the break, what was the intioal momentum of the system
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