A Device Used to Measure the Speed,v,of Molecules Is Shown $\omega$

question 51

Multiple Choice

A device used to measure the speed,v,of molecules is shown below.When the cylinder is rotated,only molecules that are of the right speed will pass through the slanted slot and be pickup by the detector.Drive an expression for the speed v in terms of the angular speed, $\omega$ , $\phi$ ,and L.L is the length of the cylinder and $\phi$ is the angle subtended by the slanted slot.

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Whole Number

A whole number that is not a fraction or decimal.

Whole Number

An integer value that is not fractional or decimal, positive, negative, or zero.

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A decimal point not explicitly shown but understood in the context of the number.

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