The force shown in the force vs. time diagram in the figure below acts on a 1.0-kg object. F, (N) A coordinate plane has a horizontal axis labeled t (s) and a vertical axis labeled Fx (N). A straight line is drawn from (o,2) to (3,2), then from (3,2) to (5,0). A 2 vertical dashed line is drawn from (3,0) to (3,2). 1 ol 1 2 3 4 5 (a) Find the impulse of the force. N.s (b) Find the final velocity of the object if it is initially at rest. m/s (c) Find the final velocity of the object if it is initially moving along the x-axis with a velocity of -1.7 m/s. m/s

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!