Multiple Choice
An object has a position given by ![An object has a position given by = [2.0 m + (5.00 m/s) t] + [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](https://d2lvgg3v3hfg70.cloudfront.net/TB6682/11ea8401_fc19_bc54_aeff_9d04ac963430_TB6682_11.jpg)
= [2.0 m + (5.00 m/s) t] ![An object has a position given by = [2.0 m + (5.00 m/s) t] + [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](https://d2lvgg3v3hfg70.cloudfront.net/TB6682/11ea8401_fc19_bc55_aeff_d9c81d36e57b_TB6682_11.jpg)
+ [3.0 m - (2.00 m/s2) t2] ![An object has a position given by = [2.0 m + (5.00 m/s) t] + [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](https://d2lvgg3v3hfg70.cloudfront.net/TB6682/11ea8401_fc19_e366_aeff_395d5d7997e0_TB6682_11.jpg)
,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
Correct Answer:
Verified
Correct Answer:
Verified
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