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

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Question 31

A small projectile is launched with speed U ms−1U \text{ ms}^{-1}U ms−1 from a bridge at point AAA, 10 m above the surface of a river. The angle of projection is 60∘ 60^\circ\,60∘ to the horizontal. The greatest height reached by the projectile is at point BBB, which is 12 m vertically above AAA.

a.

Find the value of UUU.

[3]
b.

Find the horizontal distance travelled by the projectile before it hits the river.

[6]
c.

Find the speed of the projectile when it hits the water.

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

  1. A Level
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