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An Object Has a Position Given by = [2

Question 18

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An object has a position given by An object has a position given by = [2.0 m + (5.00 m/s) t]<sub> </sub> <sub> </sub> + [3.0 m - (2.00 m/s<sup>2</sup>) t<sup>2</sup>] , where quantities are in SI units. What is the speed of the object at time t = 2.00 s? A) 6.40 m/s B) 9.43 m/s C) 7.00 m/s D) 7.65 m/s E) 13.0 m/s = [2.0 m + (5.00 m/s) t]
An object has a position given by = [2.0 m + (5.00 m/s) t]<sub> </sub> <sub> </sub> + [3.0 m - (2.00 m/s<sup>2</sup>) t<sup>2</sup>] , where quantities are in SI units. What is the speed of the object at time t = 2.00 s? A) 6.40 m/s B) 9.43 m/s C) 7.00 m/s D) 7.65 m/s E) 13.0 m/s
+ [3.0 m - (2.00 m/s2) t2] An object has a position given by = [2.0 m + (5.00 m/s) t]<sub> </sub> <sub> </sub> + [3.0 m - (2.00 m/s<sup>2</sup>) t<sup>2</sup>] , where quantities are in SI units. What is the speed of the object at time t = 2.00 s? A) 6.40 m/s B) 9.43 m/s C) 7.00 m/s D) 7.65 m/s E) 13.0 m/s
, where quantities are in SI units. What is the speed of the object at time t = 2.00 s?


A) 6.40 m/s
B) 9.43 m/s
C) 7.00 m/s
D) 7.65 m/s
E) 13.0 m/s

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