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3 Mechanics

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Question 94

A particle P P\,P moves with constant velocity (3i+2j)(3\mathbf{i} + 2\mathbf{j})(3i+2j) m s−1^{-1}−1 relative to a fixed origin OOO. At time t=0t = 0t=0 it passes through the point AAA, whose position vector is (2i+11j)(2\mathbf{i} + 11\mathbf{j})(2i+11j) m.

a.

Find the angle, in degrees, that the velocity of P P\,P makes with the vector i\mathbf{i}i.

[2]
b.

Find the distance of P P\,P from O O\,O when t=2t = 2t=2 s.

[3]
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3 Mechanics Questions

  1. A Level
  2. /Maths
  3. /3 Mechanics

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