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Q8. The position vector of a particle at time t is given by r = A cos wt 1+ B sin wt , where A and w are constants. Speed of the particle at time tis O (A)() ΩO (B) A + B2O (C) WAO (D) 1 |
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Answer» Explanation:The POSITION VECTOR of a PARTICLE at TIME t is given by r = A cos wt 1+ B sin wt , where A and w are constants. Speed of the particle at time tisB is the a+B2 |
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