Index
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Format: - [Title](path) — one-line hook. `tag`, `tag`
astronomy
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biology
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chemistry
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earth-science
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physics
- Speed at a given height depends on launch speed and height, not launch direction — Only the magnitude of $v_0$ enters $\tfrac12 mv_0^2 + mgh$, so up, down and sideways throws arrive at the same speed.
energy,kinematics,projectile
method
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