# Lab 04 - Uniformly Accelerated Motion in 1 - Dimension (2).docx

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Orange Coast College Physics 185 Dr. Arnold Guerra III Edited by E. Tseng Uniformly Accelerated Motion in 1-Dimension I. Introduction . When a particle of mass m has a net force pointing in a certain direction, the particle also has an acceleration vector pointing in the same direction as that of the net force. If the acceleration vector points in the same direction as the velocity vector, then the particle speeds u p. If the acceleration vector points in the opposite direction as the velocity vector, then the particle slows dow n. If the acceleration vector points in a direction perpendicular to the direction of the velocity vector, then the particle turn s (changes direction of travel). The purpose of this virtual experiment is for the student to measure the acceleration of a cart that speeds up while it moves in a straight line. Taking the positive direction for the horizontal motion to be to the right , the x -coordinate of the final position, x f , as a function of time of the cart moving with constant