Walter Clyburn
2021-12-17
Answered

The relatively high resistivity of dry skin, about $1\times {10}^{6}$ Ω • m, can safely limit the flow of current into deeper tissues of the body. Suppose an electrical worker places his palm on an instrument whose metal case is accidentally connected to a high voltage. The skin of the palm is about 1.5 mm thick. Estimate the area of skin on the worker’s palm that would contact a flat panel, then calculate the approximate resistance of the skin of the palm.

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The heaviest invertebrate is the giant squid, which is estimated to have a weight of about 2 tons spread out over its length of 70 feet. What is its weight in newtons.

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A stone hangs by a fine thread from the ceiling,and a section of the same thread dangles from the bottom of the stone.If a person gives a sharp pull on the dangling thread,where is the thread likely to break:below the stone or above it?

asked 2020-11-23

Saturn has an equatorial radius of 6.00 107 mand a mass of 5.67 1026 kg.

(a) Compute the acceleration of gravity at the equatorof Saturn.

(b) What it the ratio of a person's weight on Saturn to that onEarth?

(a) Compute the acceleration of gravity at the equatorof Saturn.

(b) What it the ratio of a person's weight on Saturn to that onEarth?

asked 2021-02-04

A 17.8 kg flood light in a park is supported at the end of a horizontal beam of negligible mass that is hinged to a pole. A cable connected to the beam helps to support the light. (In thefigure,

(A) 320 N

(B) 250 N

(C) 0

asked 2021-11-15

Solve.

${x}^{2}+15<4x$ </span>

The solution set is.....?

(Type your answer in interval notation. Use integers or fractions for any numbers in the expression. Type an exact answer, using radicals as needed.)

The solution set is.....?

(Type your answer in interval notation. Use integers or fractions for any numbers in the expression. Type an exact answer, using radicals as needed.)

asked 2021-01-10

1. BrO4

What is formal charge and oxidation number of Oxygen and Bromine?

What is formal charge and oxidation number of Oxygen and Bromine?

asked 2022-01-12

A brick is dropped from the roof of a tall building. After it has been falling for a few seconds, it falls 40.0 m in a 1.00-s time interval. What distance will it fall during the next 1.00 s? Ignore air resistance.