Problem $4$: $(7\%$ of Assignment Value$)$

A $77\mathrm{.}5-kg$ person is riding in a car moving at $17\mathrm{.}5\frac{m}{s}($assume this is the positive direction$)$ when the car runs into a bridge abutment. This problem will illustrate why the invention of the airbag dramatically improved the safety of automobiles.

Part $($a$)$

Calculate the horizontal component of the average force, in newtons, on the person if he is stopped by a padded dashboard that compresses an average of $1\mathrm{.}2$ cm $.$

$F_{\text{d}\text{a}\text{s}\text{h}}=1496542$

$$

Grade Summary

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