This is an original exam question by Prof Kay Han. It is fo…
This is an original exam question by Prof Kay Han. It is forbidden to photograph, upload, download, copy or share this problem with anyone, or to post it onto any website. An arrow shot horizontally with a speed of 1.2 m/s hits the ground in 4.2 second. If the arrow is shot at 2.4 m/s at the same height, it would have hit the ground (neglecting the Earth’s curvature and air resistance) in…
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