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The average resistivity of the human body (apart from surface resistance of the skin) is about 5.5 ?·m. The conducting path between the hands can be approximated as a cylinder 1.4 m long and 0.10 m in diameter. The skin resistance can be made negligible by soaking the hands in salt water.
(a) What is the resistance between the hands if the skin resistance is negligible?
(b) If skin resistance is negligible, what potential difference between the hands is needed for a lethal shock current of 115 mA? Your result shows that even small potential differences can produce dangerous currents when skin is damp.
(c) What power is dissipated in the body by the current in b?
A blender is switched to a lower speed and the angular velocity of its blade decreases uniformly from 52 rad/s to 12 rad/s. Through what angle does the blade turn during this time
Use Gauss law to compute amount of charge
Type your question hereSuppose you look through a 3.9 mm thick window comprised of a material whose refractive index is 1.58. By how many wavelengths is it delayed, if its vacuum wavelength is 600 nm
A speedboat moving at 33.0 m/s approaches a no-wake buoy marker 100 m ahead. The pilot slows the boat with a constant acceleration of ?3.20 m/s2 by reducing the throttle. (a) How long does it take the boat to reach the buoy? (b) Find the total tim..
A molecule is shown schematically. The distance from the center of the larger atom to the center of the smaller atom is d = 0.96, and the angle between the smaller atoms is θ = 105.6°. Find out the center-to-center distance between the smaller ato..
A cylindrical piece of metal 8.50 cm tall with a radius of 1.95 cm has a specific gravity = 4.0, what is the mass of the cylinder in units of grams
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A 75 g piece of ice at an initially unknown temperature is placed into a glass of 350 g of water sitting at room temperature, What is the specific heat capacity of the unknown metal
A steel aircraft carrier is 370 m long when moving through the icy North Atlantic at a temperature of 2°C. By how much does the carrier lengthen when it is travelling in the warm Mediterranean Sea at the temperature of 21 °C.
Suppose you have a lens system that is to be used primarily for 770 nm light. What is the second thinnest coating of fluorite that would be nonreflective for this wavelength
A 3,700-kg truck runs into the rear of a 1,000-kg car that was stationary. What was the speed of the truck before the collision
A guitar string with a mass of 10.0 g is 1.00 m long and attached to the guitar at two points separated by 61.6 cm. find the frequency of the replacement string's first harmonic
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