At a football tryout, a player runs a 40-yard dash in t2 = 4.90 seconds. If the reaches his maximum speed at the 10-yard mark L1 with a constant acceleration and then maintains that speed for the remainder of the run, determine his acceleration over the first 10 yards, his maximum speed, and the time duration of the acceleration. t = 0
At a football tryout, a player runs a 40-yard dash in t2 = 4.90 seconds. If the reaches his maximum speed at the 10-yard mark L1 with a constant acceleration and then maintains that speed for the remainder of the run, determine his acceleration over the first 10 yards, his maximum speed, and the time duration of the acceleration. t = 0
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Transcribed Image Text:At a football tryout, a player runs a 40-yard dash in t, = 4.90 seconds. If the reaches his maximum speed at the 10-yard mark L, with a
constant acceleration and then maintains that speed for the remainder of the run, determine his acceleration over the first 10 yards,
his maximum speed, and the time duration of the acceleration.
t=0
Amswers:
His acceleration:
a =
ft/sec2
His maximum speed:
V =
i
ft/sec
The time duration of the acceleration: t=
i
sec
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