Kinematics and Graphical Representation of Physical Change

Kinematics and Graphical Representation of Physical Change

Secondary 3

A container is being filled with water flowing at a constant rate from a tap.

For each container, let \(h\) cm be the water height at time \(t\) seconds after filling begins. The water rises from \(h=0\) to \(h=20\) cm in \(16\) seconds.

Sketch the graph of \(h\) against \(t\) for each of the containers below:

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Answer:(a) A straight increasing line from \((0,0)\) to \((16,20)\). (b) An increasing concave-up curve between the same endpoints, becoming steeper.

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