Given A-B-A-C-0 What is the angle between B- and C- -

The correct option is B Since A⃗. B⃗ = 0, it follows that A⃗ is perpendicular to B⃗. Also | A⃗×C⃗ |= 0 Therefore A⃗ is perpendicular to C⃗. Hence B⃗ is perpend ...

Byju's Answer

Standard XII

Physics

Work Done as Dot Product

Given A⃗·B⃗=|...

Question

Given $\to A . \to B = | \to A \times \to C | = 0$ What is the angle between $\to B a n d \to C$ ?

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Solution

The correct option is B
Since $\to A . \to B = 0$ , it follows that $\to A$ is perpendicular to $\to B$ . Also $| \to A \times \to C | = 0$ Therefore $\to A$ is perpendicular to $\to C$ .
Hence $\to B$ is perpendicular to $\to C$ . Therefore, the correct choice is (b)

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Nonzero vectors $\to a, \to b, \to c$ satisfy $\to a . \to b$ =0, $(\to b - \to a) . (\to b + \to c)$ = 0 and 2 $| \to b + \to c | = | \to b - \to a |$ .