| Exam Board | OCR |
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| Module | PURE |
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| Topic | SUVAT in 2D & Gravity |
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10 A small ball \(B\) is projected vertically upwards from a point 2 m above horizontal ground. \(B\) is projected with initial speed \(3.5 \mathrm {~ms} ^ { - 1 }\), and takes \(t\) seconds to reach the ground.
Find the value of \(t\).