Question

find answer.

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Answer 1

Answer:

$\textsf{(c).}\sqrt{(b + {c})^{2} + c^{2} - 2(b + c).c.cos \theta}$

Explanation:

$\textsf{a=b+c}$

$\textsf{net acceleration of}A=\sqrt{a²+c²+2accos(π-\theta)}$

$=\sqrt{(b+c)²+c²-2(b+c).c.cos\theta}$

Answer 2

Explanation:

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