Question

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. Figure 2-36

a2- .

a1- .
. .
0 10 20 30 40


shows the acceleration magnitude a versus time t for the acceleration phase of the launch in a typical situation. The indicated accelerations are a2 = 404 m/s2 and a1 = 104 m/s2. What is the outward speed of the tongue at the end of the acceleration phase?

thanks

Answer 1

400

Answer 2

maybe like 3