Find the Curvature of the Curve $\mathbf { r } ( t ) = 2 \sin 7 t \mathbf { i } + 2 \cos 7 t \mathbf { j } + 2 t \mathbf { k }$

question 89

Multiple Choice

Find the curvature of the curve $\mathbf { r } ( t ) = 2 \sin 7 t \mathbf { i } + 2 \cos 7 t \mathbf { j } + 2 t \mathbf { k }$ . Select the correct answer.

• A) \(\frac { 7 } { 2 }\)
• B) \(\frac { 2 } { 7 }\)
• C) \(\frac { 49 } { 100 }\)
• D) \(\frac { 100 } { 49 }\)

Recognize the significance and impact of sales taxes.

Analyze the implications of tax competition on federal, state, and local taxes.

Understand the principle of tax incidence and how it affects consumers and producers.

Comprehend the concepts of tax efficiency and deadweight loss in the context of excise taxes.

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