2. A rookie quarterback throws a football with an initial upward velocity component of 12 m/s and a horizontal velocity component of 20 m/s. Ignore air resistance. (a) What is the initial velocity? (b) How much time is required for the football to reach the highest point of the trajectory? How high is this point? (c) How much time (after it is thrown) is required for the football to return to its original level? (d) What is the position of the football at t=1 s? (e) What is the velocity of the football at t=1 s?
2. A rookie quarterback throws a football with an initial upward velocity component of 12 m/s and a horizontal velocity component of 20 m/s. Ignore air resistance. (a) What is the initial velocity? (b) How much time is required for the football to reach the highest point of the trajectory? How high is this point? (c) How much time (after it is thrown) is required for the football to return to its original level? (d) What is the position of the football at t=1 s? (e) What is the velocity of the football at t=1 s?
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Transcribed Image Text:2. A rookie quarterback throws a football with an initial
upward velocity component of 12 m/s and a horizontal
velocity component of 20 m/s. Ignore air resistance.
(a) What is the initial velocity?
(b) How much time is required for the football to reach the
highest point of the trajectory? How high is this point?
(c) How much time (after it is thrown) is required for the
football to return to its original level?
(d) What is the position of the football at t=1 s?
(e) What is the velocity of the football at t=1 s?
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