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College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300

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BuyFindarrow_forward

College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300
Textbook Problem

A student taking a quiz finds on a reference sheet the two equations

f = 1 T  and  v  =  T μ

She has forgotten what T represents in each equation. (a) Use dimensional analysis to determine the units required for T in each equation. (b) Explain how you can identify the physical quantity each T represents from the units.

(a)

To determine
The units required for T in the two given equations.

Explanation

Given info: The two equations are,

f=1T (1)

v=Tμ (2)

Explanation:

Solving (1) for T ,

T=1f

Taking the dimension of both the sides,

[T]=1[f]=1T-1=T

Solving (2) for T ,

T=μv2</

b)

To determine
The physical identity of T in two given equations.

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