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Northern IrelandMathsQuick questions

A2 2 Applied Mathematics

Quick questions on Projectiles and variable acceleration: two-dimensional motion and calculus kinematics - CCEA A-Level Mathematics

3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?
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A projectile is launched at 14 m s−114\,\text{m s}^{-1} at 30∘30^\circ. Find the vertical component of velocity. [1 mark]
What is q2?
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A particle has displacement s=t3−2ts = t^3 - 2t. Find its velocity. [2 marks]
What is q3?
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At what launch angle is the range of a projectile greatest (from level ground)? [1 mark]

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