A rookie quarterback throws a football with an initial upward velocity component of 12.0 m/s and a horizontal velocity component of 20.0 m/s. Ignore air resistance. (a) How much time is re- quired for the football to reach the highest point of the trajectory? (b) How high is this point? (c)
A rookie quarterback throws a football with an initial upward velocity component of 12.0 m/s and a horizontal velocity component of 20.0 m/s. Ignore air resistance. (a) How much time is re- quired for the football to reach the highest point of the trajectory? (b) How high is this point? (c)
College Physics
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Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:Problem 4
A rookie quarterback throws a football with an
initial upward velocity component of 12.0 m/s
and a horizontal velocity component of 20.0 m/s.
Ignore air resistance. (a) How much time is re-
quired for the football to reach the highest point
of the trajectory? (b) How high is this point? (c)
How much time (after it is thrown) is required for
the football to return to its original level? How
does this compare with the time calculated in
part (a)? (d) How far has the football traveled
horizontally during this time? (e) Draw x – t,
y – t, vx – t, and vy – t graphs for the motion.
Expert Solution
Step 1
Given:
Horizontal component of velocity
initial upward component of velocity
Find:
time required for the football to reach highest point
maximum height
time required to return the level
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