Question

Which of the following is the altitude-time graph for a projectile thrown horizontally from the top of the tower ?

Easy

Solution

Let H be the height of the tower. Then
$h = H - \frac{1}{2} {gt}^{2}$
This expression shows that h decreases with time. Further the graph will be a parabola. This is shown in option $(4)$ of the question.

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