A-LevelPhysicsKinematics9702/12 · Feb/Mar 2018 · Q91 Mark
A girl throws a ball vertically upwards. It takes a time of 3.20 s to return to her hand. Assume air resistance is negligible. What is the initial speed with which the ball is thrown?
A3.07 ms⁻¹
B7.85 ms⁻¹
C15.7 ms⁻¹
D31.4 ms⁻¹
✓ Correct answer
C: 15.7 ms⁻¹
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