Sub-topic 1
2022 · National Final
Free
Initial speed needed for a later-dropped object to land simultaneously with an earlier one
Read past contest →
Sub-topic 2
2024 · National Preliminary
Premium
Speed of an object released from rest after falling a given height
Read past contest →
Sub-topic 3
2021 · National Preliminary
Premium
Time airborne for an object dropped from 500 m, via h=½gt²
Read past contest →