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Question

# The table shows the velocities (in miles per hour) of two cars on an entrance ramp to an interstate highway. The time $t$ is in seconds. $t$ $0$ $5$ $10$ $15$ $20$ $25$ $30$ $v_1$ $0$ $2.5$ $7$ $16$ $29$ $45$ $65$ $v_2$ $0$ $21$ $38$ $51$ $60$ $64$ $65$ Rewrite the table, converting miles per hour to feet per second.

Solution

Verified

Note that, $1 \ \text{mph} = 1.4667 \ \text{ft/s}$. Thus we have this converted table from mph to ft/s.

$\begin{array}{|c|c|c|c|c|c|c|c|} \hline t & 0& 5 &10&15&20&25&30\\ \hline v_1&0&3.67&10.27&23.47&42.53&66.00&95.34\\ \hline v_2&0&30.80&55.73&74.80&88.00&93.87&95.34\\ \hline \end{array}$

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