FA1 · Q8 · A.1 Kinematics · projectile motion with a launch angle, energy shortcut
Q8: a tennis ball struck downwards
Components of a downward launch, time to the net, a "show that" comparison of heights, and the landing speed by two methods.
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Hook
A projectile that starts going down: the initial vertical speed is not zero, and that one detail drives the whole question.
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A ball is struck at 64 m s⁻¹, 7.00° below horizontal. Its initial vertical speed is…
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With no air resistance, the speed of the ball as it hits the ground depends on…