Q. 25

Expert-verifiedFound in: Page 1060

Book edition
4th

Author(s)
Randall D. Knight

Pages
1240 pages

ISBN
9780133942651

A human hair is about in diameter. At what speed, in m/s, would a meter stick “shrink by a hair”?

Hint: Use the binomial approximation.

At a speed of , a meter stick shrink by a hair.

We have given that a human hair is about in diameter.

We must determine at what pace in m/s a meter stick "shrinks by a hair" using the binomial approximation.

: Grounds reference frame

: The meter establishes a frame of reference.

On the ground, an experimenter measures the length to be constricted to:

As a result, has the following value:

Now, we must determine the value of using the following relation:

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