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suppose we measure the resistance from one hand to the other and find it to be 2 kilo ohms. The measuring electrodes contact a rectangular patch of skin that is .1 m by .01 m on each hand. The thickness of skin is about .002m so the resistance is due to entirely to skin , the total thickness of skin is .004 m
a) What is the resistivity of skin?
b) If the current is to be kept to a safe current of 0.01milli Amps, what voltage must be applied to make the measurement of resistance?
A dedicated sports car enthusiast polishes the inside and outside surfaces of a hubcap that is a thin section of a sphere. How far is her face from the hubcap
A ball rolls off a table with a horizontal velocity of 5 m/s If it takes 0.6 secs for it to reach the floor A. What is the verticle componet of the balls velocity just before it hits the floor? (use g= 10 m/s^2) B. What is the horizontal componet ..
The proper length of one spaceship is five times that of another. The two spaceships are traveling in teh same direction, determine the speed of the other faster spaceship
determine the kinetic energy of the ball at its highest point. Illustrate what is its speed when it is 9.0 m below its highest point.
A hurricane wind blows across a 7.50m × 16.4m flat roof at a speed of 180km/hr, How much force is exerted on the roof
Suppose you were to wrap the planet Mars in aluminum foil and place a charge Q on it, What is the capacitance of Mars in this case
find out the current in the loop.Determine the rate at which thermal energy is produced.
A 0.45kg mass is attached to a spring with a force constant of 21N/m and released from rest a distance of 3.6cm from the equilibrium position of the spring, How far is the mass from the equilibrium position
Two metal spheres, each of mass 20 g and initially at rest, are dropped from a height of 10 m in an evacuated chamber. Find the difference in final speeds of the two spheres
what is the absolute magnitude of the force on each charge?
A beam of electrons passes by a single slit and a beam of protons passes by a second, but identical slit. If the electrons and protons have the similar speed, that beam would experience the greatest amount of diffraction? Clarify your answer.
Draw a velocity versus time graph for her journey and draw a position versus time graph for her journey.
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