FA1 · P1 · Q21–25 · A.1 Kinematics · free fall, dot diagrams, projectile range
Paper 1 MCQ, Q21–25: free fall, dot diagrams and projectiles
The gap between two falling balls, matching speeds on dot diagrams, displacement and speed of a vertical throw, the height at time t, and what a projectile range needs.
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Hook
The last five: patterns in free fall and a final "what do you need to know?" question about projectiles.
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A ball is thrown up and returns to the start after 2.0 s. Using g = 10 m s⁻², its height after 1.0 s (h = ½gt(T − t)) is…
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A runner completes a 400 m lap, back at the start, in 50 s. The average velocity and average speed are…