An object moves along the x axis according to the equation x = 3.85t? 2.00t + 3.00, where x is in meters and t is in seconds. (a) Determine the average speed between t = 2.10 s and t = 4.10 s. 13 The average speed is the distance traveled divided by the time. Is the distance traveled equal to the displacement in this case? m/s (b) Determine the instantaneous speed at t = 2.10 s. m/s Determine the instantaneous speed at t = 4.10 s. m/s (c) Determine the average acceleration between t = 2.10 s and t = 4.10 s. m/s² (d) Determine the instantaneous acceleration at t = 2.10 s. m/s² Determine the instantaneous acceleration at t = 4.10 s. m/s? (e) At what time is the object at rest? S
An object moves along the x axis according to the equation x = 3.85t? 2.00t + 3.00, where x is in meters and t is in seconds. (a) Determine the average speed between t = 2.10 s and t = 4.10 s. 13 The average speed is the distance traveled divided by the time. Is the distance traveled equal to the displacement in this case? m/s (b) Determine the instantaneous speed at t = 2.10 s. m/s Determine the instantaneous speed at t = 4.10 s. m/s (c) Determine the average acceleration between t = 2.10 s and t = 4.10 s. m/s² (d) Determine the instantaneous acceleration at t = 2.10 s. m/s² Determine the instantaneous acceleration at t = 4.10 s. m/s? (e) At what time is the object at rest? S
Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter3: Vectors
Section: Chapter Questions
Problem 35AP: A person going for a walk follows the path shown in Figure P3.35. The total trip consists of four...
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Step 1: Determine the given data:
VIEWStep 2: a) Find the average speed between t=2.10 sec to t=4.10 sec:
VIEWStep 3: b) Determine the instantaneous velocity at t=2.10 sec:
VIEWStep 4: Determine the instantaneous velocity at t=4.10 sec:
VIEWStep 5: c) Find the average acceleration between t=2.10 sec to t=4.10 sec:
VIEWStep 6: d) Determine the instantaneous acceleration at t=2.10 sec:
VIEWStep 7: e) Find the time when the object is at rest:
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