<p>The acceleration due to gravity at an altitude y above the surface of the ear

Question

<p>The acceleration due to gravity at an altitude y above the surface of the earth can be expressed as:</p>
<p><img src="https://s3.amazonaws.com/answer-board-image/cramster-equation-20111212044196343123945908712393678.gif" alt="" align="absMiddle" /></p>
<p>where a and y are expressed in ft/s²and feet, respectively.&#160; Using this expression, compute the height reached by a projectile fired vertically upward from the surface of the earth if its initial velocity is:</p>
<p>(a)1800 ft/s&#160;&#160;&#160;&#160; (b)3000 ft/s&#160;&#160;&#160;&#160; (c)36,700 ft/s</p>

Explanation / Answer

I was wondering the same question!! Sorry I am unable to help you! Good luck though

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