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v (m/s) 60- 20 0- -t(µs) FIGURE P4.70 20 40 60 80 100 120 140 40

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter6: Motion In Two Dimensions

Section: Chapter Questions

Problem 5STP

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Question

The trap-jaw ant, found throughout tropical South America, catches its prey by very rapidly closing its mandibles around its victim. Shown is the speed of one of its mandible jaws versus time in microseconds.
a. What is the maximum acceleration of the ant’s mandible?
b. The mass of a trap-jaw ant’s mandible has been estimated to be about 1.3 x 10^-7 kg. Estimate the maximum force exerted by one mandible.

v (m/s)
60-
20
0-
-t(µs)
FIGURE P4.70
20
40
60
80
100 120 140
40

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