<p>An cow moving with constant acceleration covers the distance between two points 67.0 m apart in 7.10 s. Its speed as it passes the second point is 15.0 m/s.</p>
<p>(a) What is its speed at the first point?</p>
<p>(b) What is the acceleration?</p>
<p>An cow moving with constant acceleration covers the distance between two points 67.0 m apart in 7.10 s. Its speed as it passes the second point is 15.0 m/s.</p>
<p>(a) What is its speed at the first point?</p>
<p>(b) What is the acceleration?</p>
<p>a)v^2=v<em>0^2+2<em>a</em>deltax
b)v=v</em>0+a*t</p>
<p>Plug in the appropriate values.</p>