<p>A&#160;<span style=\"color: #ff0000;\">722</span> kg car stopped at an <br />

Question

<p>A&#160;<span>722</span> kg car stopped at an <br />intersection is rear-ended by a&#160;<span>1620</span> kg truck moving with a speed of <span>14.5 </span>m/s. If the car was in neutral and <br />its brakes were off, so that the collision is approximately elastic, find the <br />final speed of both vehicles after the collision.</p>
<p>Can someone please explain the process in a simpler way, specifically step 3 and 5?</p>

Explanation / Answer

well the question is in confusing way can u post it again.

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