Let ∆ PQR be a triangle. Let a = QR , b = RP and c = PQ . If | a |=12,| b |=4 3 and b c…
Physics · JEE Advanced · NTA Exams — Kinematics
Let ∆PQR be a triangle. Let \(\vec{a}=\overrightarrow{\mathrm{QR}}, \vec{b}=\overrightarrow{\mathrm{RP}} \text { and } \vec{c}=\overrightarrow{\mathrm{PQ}} .\) If \(|\vec{a}|=12,|\vec{b}|=4 \sqrt{3}\) and \(\vec{b} \cdot \vec{c}=24,\) then which of the following is (are) true?
Answer
(A)
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