Anonymous
Anonymous asked in Science & MathematicsPhysics · 1 month ago

What is the magnitude (physics)? Help solve please?

Guys, please help me prepare for the test!! How do I do this? 

Vector A=28m. Vector B points 20.015° east of north. Vector C points 20.015 west of north. A+B+C=0 (Hint: this is a symmetrical problem. Don't til the coordinate system).

What is the magnitude of B and C?

Thanks so much, best answer gets 10!

Ps the answer is 14.9m for both.

1 Answer

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  • 1 month ago

    Does vector A by any chance point south???

    Then the magnitudes of B and C must be equal. The cancellation of north components has it that

    2 * x * cos(20.015°) = 28 m

    x = 14.9 to 1 d.p.

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