Question

<p>The magnitude of the velocity of a projectile when it is at its maximum height above ground level is 19 m/s. <strong>(a)</strong> What is the magnitude of the velocity of the projectile 1.0 s before it achieves its maximum height? <strong>(b)</strong> What is the magnitude of the velocity of the projectile 1.0 s after it achieves its maximum height? If we take <em>x</em> = 0 and <em>y</em> = 0 to be at the point of maximum height and positive <em>x</em> to be in the direction of the velocity there, what are the <strong>(c)</strong><em>x</em> coordinate and <strong>(d)</strong><em>y</em> coordinate of the projectile 1.0 s before it reaches its maximum height and the <strong>(e)</strong><em>x</em> coordinate and <strong>(f)</strong><em>y</em> coordinate 1.0 s after it reaches its maximum height?</p>