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4 Unit A2 2: Applied Mathematics (A-level only)

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Question 140

In this question use g=9.8g = 9.8g=9.8 m s−2^{-2}−2.

A particle P P\,P is projected with velocity (3i+4j)(3\mathbf{i} + 4\mathbf{j})(3i+4j) m s−1^{-1}−1 from a point 20 m above horizontal ground, where i\mathbf{i}i is horizontal and j\mathbf{j}j is vertically upwards.

a.

Find the speed of P P\,P after 2 seconds.

[4]
b.

Find the greatest height of P P\,P above the ground.

[3]
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4 Unit A2 2: Applied Mathematics (A-level only) Questions

  1. A Level
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