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NEETPhysicsMotion in Two Dimensions

Find the magnitude of the resultant of two vectors A and B in terms of their magnitudes and angle θ between them.

Options

  1. AR= A ² +~ B ² +2ABcos
  2. BR= A ² +~ B ² +2ABsin
  3. CR= A+~ B ^ +2ABcos
  4. DR= A ^ +~ B ^ +2ABsin

Correct answer

A. R= A ² +~ B ² +2ABcos

Step-by-step solution

Correct Option is : (A) R= A ² +~ B ² +2ABcos

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