A salamander of the genus Hydromantes captures prey by launching its tongue as a projectile: The skeletal part of the tongue is shot forward, unfolding the rest of the tongue, until the outer portion lands on the prey, sticking to it. The figure shows the acceleration magnitude a versus time t for the acceleration phase of the launch in a typical situation. The indicated accelerations are a2 = 395m/s² and a₁ = 120m/s². What is the outward speed of the tongue at the end of the acceleration phase? a (m/s²) Number aq al 0 10 20 i 30 40 t (ms) ME Units m/s ·()
A salamander of the genus Hydromantes captures prey by launching its tongue as a projectile: The skeletal part of the tongue is shot forward, unfolding the rest of the tongue, until the outer portion lands on the prey, sticking to it. The figure shows the acceleration magnitude a versus time t for the acceleration phase of the launch in a typical situation. The indicated accelerations are a2 = 395m/s² and a₁ = 120m/s². What is the outward speed of the tongue at the end of the acceleration phase? a (m/s²) Number aq al 0 10 20 i 30 40 t (ms) ME Units m/s ·()
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Transcribed Image Text:A salamander of the genus Hydromantes captures
prey by launching its tongue as a projectile: The
skeletal part of the tongue is shot forward, unfolding
the rest of the tongue, until the outer portion lands
on the prey, sticking to it. The figure shows the
acceleration magnitude a versus time t for the
acceleration phase of the launch in a typical
situation. The indicated accelerations are
a2 = 395m/s² and a₁ = 120m/s². What is the outward
speed of the tongue at the end of the acceleration
phase?
(s/w) v
aq
al
0
Number i
10 20 30 40
t (ms)
! Units m/s
()
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