(Solved): need help with part b (7\%) Problem 12: A football is punted from the ground, it passes through the ...

(7\%) Problem 12: A football is punted from the ground, it passes through the apex of its flight, and it begins its downward decent, as shown. When its height above the field is \( h=1.0 \mathrm{~m} \), the horizontal and vertical components of its velocity are observed to have the values vharinatal \( =16.5 \mathrm{~m} / \mathrm{s} \) and \( v_{\text {vatioal }}=2.75 \mathrm{~m} / \mathrm{s} \), respectively. Use a Cartesian coordinate system with the origin located at the initial position of the football Ignore air resistance. \( 50 \% \) Part (a) Determine the magnitude of the horizontal component of the football's initial velocity toox, in terms of thorimetal, vreatiral. \( g \). and \( h \). \( v, x=v_{\text {boriseal }} \sqrt{ } \) Correct! a \( 50 \% \) Part (b) Calculate the time, in seconds, from when the football left the ground until it is descending at a height of \( h=1.9 \mathrm{~m} \).