Trace:
Differences
This shows you the differences between two versions of the page.
| Both sides previous revisionPrevious revisionNext revision | Previous revisionLast revisionBoth sides next revision | ||
| streetmath [2020/03/08 14:32] – mario | streetmath [2020/03/08 17:19] – mario | ||
|---|---|---|---|
| Line 3: | Line 3: | ||
| Questions: | Questions: | ||
| - Given the speed difference between $C$ and $B$ and the total speed of $B$, what time $T$ does it take for $C$ to overtake $B$? | - Given the speed difference between $C$ and $B$ and the total speed of $B$, what time $T$ does it take for $C$ to overtake $B$? | ||
| - | - And what distance $D$ do both vehicles | + | - What distance $D$ does the bicycle $B$ travel while the overtake takes place? |
| === Mathematical Model === | === Mathematical Model === | ||
| Line 46: | Line 46: | ||
| Now it remains to add the relative window size $w$ to $D$ in order to get the distance $C$ travels from the beginning of the overtake until its end. | Now it remains to add the relative window size $w$ to $D$ in order to get the distance $C$ travels from the beginning of the overtake until its end. | ||
| + | <WRAP center round info 60%> | ||
| In total, overtaking a cyclist riding at 20 km/h while driving a car at 30 km/h takes 3.6 s and meanwhile the cyclist travels 20 m. In order to avoid hitting the cyclist, the driver needs to overview 30 m ahead. | In total, overtaking a cyclist riding at 20 km/h while driving a car at 30 km/h takes 3.6 s and meanwhile the cyclist travels 20 m. In order to avoid hitting the cyclist, the driver needs to overview 30 m ahead. | ||
| + | </ | ||