First slide

The 3 equation for uniform acc

Question

A body starting from rest moves along straight line with a constant acceleration. The variation of speed (v) with distance (s) is represented by the graph:

Moderate

A
B
C
D

Solution

$\begin{array}{l} v^{2} = u^{2} + 2 aS \\ v^{2} = 2 aS as u = 0 \end{array}$
The graph between v and S will be of the from of parabola which will be symmetric with respect to y-axis. So curve (d) is the right answer.

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