D the object is traveling i to the left ii to the

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Unformatted text preview: (d) The object is traveling: i. to the left ii. to the right iii. neither of the above (e) The object is traveling: i. upward ii. downward iii. neither of the above (f) The object is traveling: i. outward ii. inward iii. neither of the above (g) What is −￿ ? (Express it in component form.) v (h) Sketch −￿ . v 5. At t = 0, a ball is at the position (−6, 9, 0) m and has a velocity ￿ = (2, −3, 0) m/s. What is its v position at the following clock readings: t = 2 s, t = 4 s, and t = 6 s? Show your calculations and write your answers in the table. t (s) 0 2 4 6 position (m) (−6, 9, 0) 2 6. The x-position as a function of time for an object is shown in Figure 2. What is the x-velocity of the object? x-position vs. time 2 1.5 1 x (m) 0.5 0 -0.5 -1 -1.5 -2 0 1 2 3 4 5 t (s) Figure 2: A x(t) graph. 7. An object travels to the right. Its position at certain clock readings is shown below. t=0 t=0.2 s t=0.4 s t=0.6 s t=0.8 s t=1.0 s -1 -0.5 0 0.5 1.0 1.5 (a) What is the object’s x-velocity? (b) What...
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