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Problem 12-55: Engineering Mechanics- Dynamics (Hibbeler 14th Edition)

Engineering Mechanics Dynamics · R.C. Hibbeler · Chapter 12

Course: Engineering Mechanics Dynamics Book: R.C. Hibbeler Chapter: Chapter 12

Question

Question:
An airplane lands on a straight runway, originally traveling at 110 feet per second when position s equals zero. It is subjected to the following piecewise constant decelerations: acceleration equals 0 feet per second squared for time between 0 and 5 seconds; acceleration equals negative 3 feet per second squared for time between 5 and 15 seconds; acceleration equals negative 8 feet per second squared for time between 15 and 20 seconds; and acceleration equals negative 3 feet per second squared for time from 20 seconds to t-prime. Determine the time t-prime needed to stop the plane, and construct the s-t graph for the motion.

Rectilinear Kinematics with Piecewise Constant Acceleration

This lesson solves a piecewise constant-acceleration problem for an airplane decelerating along a straight runway. Students apply the standard kinematic equations segment by segment to find the

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