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A recently developed method to study brain function is to produce arapidly changing magnetic field within the brain. When thistechnique, known as TMS, is applied to the prefrontal cortex, forexample, it can reduce a person's ability to conjugate verbs, though other though processes are unaffected. The rapidly varyingmagnetic field is produced with a circular coil of 21 turns and aradius of 6.0 cm placed directly on the head. The current in thisloop increases at the rate of 1.2x107A/s (by discharginga capacitor. (a) At what rate does the magnetic field at the centerof the coil increase? (b) Suppose a second coil with half the areaof the first coil is used instead. Would your answer to part (a)increase, decrease, or stay the same? By what factor?
A person pulls a toboggan for a distance of 39.7 m along the snow with a rope directed 33.0 ° above the snow. How much work is done on the toboggan by the tension force
How much Power does it take to accelerate the 70,000 lb rail car from rest to 10mph in 20 feet with 1ft dia. wheels.
A small button placed on a horizontal rotating platform with diameter 0.328 will revolve with the platform when it is brought up to a rotational speed of 45.0 rev/min , provided the button is a distance no more than 0.141m from the axis. a)What is..
questiona cart of mass m 1.80 kg can roll without friction on a level track. a light string draped over a light
an airplane with a speed of 89.1 ms is climbing upward at an angle of 48.4 deg with respect to the horizontal. when the
q1. a straight 2.60 m rod pivots around a perpendicular axis so that it can swing freely in a horizontal plane. jane
suppose w is the energy transferred stretchinig a spring from 0 to 0.10 m. the amount of work done stretching the same
What makes up the Total Energy of a System? Mathematically what similarities do Gravitational Potential Energy and Elastic Potential Energy have with each other?
an air capacitor is made from two flat parallel plates 1.50 mm apart. the magnitude of charge on each plate is 0.0180
In measuring an RL circuit, you find that the total resistance of the circuit is 60 ohms and that t1/2 is 0.000836 seconds. Find the inductance of the circuit
A series RLC circuit has R = 500 ?, L = 35.1 mH, and C = 88.3 pF. What is the impedance of the circuit at resonance
A circular disk with a radius of 0.65 meters and mass of 0.26 kg has a hole cut in the middle.
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