Multiple Choice
An object has a position given by ![An object has a position given by = [2.0 m + (5.00 m/s) t]î + [3.0 m - (2.00 m/s<sup>2</sup>) t<sup>2</sup>]ĵ, 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](https://d2lvgg3v3hfg70.cloudfront.net/TB2997/11ea98f3_0f73_4a58_99aa_f177bdc0be44_TB2997_11.jpg)
= [2.0 m + (5.00 m/s) t]î + [3.0 m - (2.00 m/s2) t2]ĵ, where quantities are in SI units. What is the speed of the object at time t = 2.00 s?
Definitions:
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