A vector A has the components A_x = 3.0 and A_y = 4.0. The magnitude of A is A) 1.0. B) 3.5. C) 5.0. D) 7.0.

Name: A vector A has the components A x = 3.0 and A y = 4.0. The magnitude of A is A) 1.0. B) 3.5. C) 5.0. D) 7.0.
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Quizplus · Accepted Answer

The magnitude of a vector $\vec{A}$ with components $A_x$ and $A_y$ is given by $\sqrt{A_x^2 + A_y^2}$. Substituting $A_x = 3.0$ and $A_y = 4.0$, we get $\sqrt{3.0^2 + 4.0^2} = \sqrt{9 + 16} = \sqrt{25} = 5.0$.

A Vector a Has the Components Ax = 3

A Vector a Has the Components A_x = 3