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The conducting path between the right hand and the left hand can be modeled as a 12 cm-diameter, 180cm-long cylinder. The average resistivity of the interior of the human body is 4.7(Omega*m) . Dry skin has a much higher resistivity, but skin resistance can be made negligible by soaking the hands in salt water. If skin resistance is neglected, what potential difference between the hands is needed for a lethal shock of 100 mA across the chest? Your result shows that even small potential differences can produce dangerous currents when the skin is wet.
An ac generator supplies a peak (not rms) voltage of 120.0 V at 60.0 Hz. What is the average power dissipated in the circuit
A spring (70 N/m) has an equilibrium length of 1.00 m. The spring is compressed to a length of 0.50 }, how far up the slope will the mass move before coming to rest
A stone of mass 0.31 kg is tied to a string of length 0.85 m and is swung in the horizontal circle with speed v. The string has a breaking-point force of 90 N. What is the largest value v can have without string breaking.
a circular metal plate of radius 0.2m has 1010 excess electrons uniformly distributed over its surfaces. what is the
a wire is formed into a circle having a diameter of 10.3 cm and is placed in a uniform magnetic field of 3.25 mt. the
An explosion of a 10.0-kg bomb releases only two separate pieces the bomb was initially at rest and a 4.00-kg piece travels westward at 100 m/s immediately after the explosion. What are the speed and direction of the other piece
A bicycle slows down uniformly from v0 = 8.40 m/s to rest over a distance of 115m. Each wheel and tire has an overall diameter of 68.0 cm. determine the angular acceleration of the wheel
The total charge of thethorium nucleus is 1.44×10-17C. What is the magnitudeof its electric field at a distance of 8.66×10-10m from the nucleus? What is the magnitudeof the force on an electron at that distance?
It is desired to cool iron parts from 500°F to 100°F by dropping them into water that isinitially at 65°F. how many kilograms of water areneeded per kilogram of iron
In July 2005, NASA's "Deep Impact" mission crashed a 372-kg probe directly onto the surface of the comet Tempel 1, hitting the surface at 37000 km/h. What change in the comet's velocity did this collision produce
And if the plane could fly without this pilot, how much force would the plane require to maintain the equal acceleration?
Consider an optical gain medium that has two levels at E 1=1.50 eV and E 2=3.50 eV. What is the spontaneous emission wavelength
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