Calculating Change in Velocity from Acceleration-Time Graphs Video Lessons

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Problem: An object is at x 5 0 at t 5 0 and moves along the x-axis according to the velocity-time graph in Figure P2.62. (a) What is the object's acceleration between 0 and 4.0 s? (b) What is the object's acceleration between 4.0 s and 9.0 s? (c) What is the object's acceleration between 13.0 s and 18.0 s? (d) At what time(s) is the object moving with the lowest speed? (e) At what time is the object farthest from x 5 0? (f) What is the final position x of the object at t 5 18.0 s? (g) Through what total distance has the object moved between t 5 0 and t 5 18.0 s?

Problem Details

An object is at x 5 0 at t 5 0 and moves along the x-axis according to the velocity-time graph in Figure P2.62. (a) What is the object's acceleration between 0 and 4.0 s? (b) What is the object's acceleration between 4.0 s and 9.0 s? (c) What is the object's acceleration between 13.0 s and 18.0 s? (d) At what time(s) is the object moving with the lowest speed? (e) At what time is the object farthest from x 5 0? (f) What is the final position x of the object at t 5 18.0 s? (g) Through what total distance has the object moved between t 5 0 and t 5 18.0 s?

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