3: A particle moving with rectilinear motion starts from rest and is given a constant acceleration of 4 m/sec² to the left for 4 sec, after which it moved at a constant velocity for 3 sec, then the particle come to rest after travelled a displacement of 120 m to the left of the starting point. Determine: (a) The required acceleration after the 7 sec. (b) The velocity of the particle when the displacement is 75 m to the left. (c) The total distance travelled. (Use V-t diagram only for solving the problem.)
3: A particle moving with rectilinear motion starts from rest and is given a constant acceleration of 4 m/sec² to the left for 4 sec, after which it moved at a constant velocity for 3 sec, then the particle come to rest after travelled a displacement of 120 m to the left of the starting point. Determine: (a) The required acceleration after the 7 sec. (b) The velocity of the particle when the displacement is 75 m to the left. (c) The total distance travelled. (Use V-t diagram only for solving the problem.)
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter2: Motion In One Dimension
Section: Chapter Questions
Problem 7CQ
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