A girl takes $25 \mathrm{s}$ to run $100 \mathrm{m}$. What is her average speed?

A man walks $450 \mathrm{m}$ at an average speed of $3 {\mathrm{ms}}^{-1}$. How long is he walking for?

How could you use two light gates to measure how long it takes a toy car to travel $50 \mathrm{cm}$?

Ali timed how long it took a toy car to roll down a ramp. Here are his results.

$10 \mathrm{s}$, $12 \mathrm{s}$, $14 \mathrm{s}$, $24 \mathrm{s}$, $11 \mathrm{s}$, $13 \mathrm{s}$, $10 \mathrm{s}$, $11 \mathrm{s}$, $12 \mathrm{s}$, $10 \mathrm{s}$

Which result is anomalous?

Ali timed how long it took a toy car to roll down a ramp. Here are his results.

$10 \mathrm{s}$, $12 \mathrm{s}$, $14 \mathrm{s}$, $24 \mathrm{s}$, $11 \mathrm{s}$, $13 \mathrm{s}$, $10 \mathrm{s}$, $11 \mathrm{s}$, $12 \mathrm{s}$, $10 \mathrm{s}$

What is the average time if the anomalous result is included?

Ali timed how long it took a toy car to roll down a ramp. Here are his results.

$10 \mathrm{s}$, $12 \mathrm{s}$, $14 \mathrm{s}$, $24 \mathrm{s}$, $11 \mathrm{s}$, $13 \mathrm{s}$, $10 \mathrm{s}$, $11 \mathrm{s}$, $12 \mathrm{s}$, $10 \mathrm{s}$

What is the average time if the anomalous result is not included?

How can u tell that the runner is moving at constant speed.

What is the speed of the runner in the given graph.

Graphs 'a' and 'b' both have the same axes. Which graph has the steepest slope, the one for the faster runner and the one for the slower runner?