Multiple Choice
Two-dimensional motion: An object has a position given by ![Two-dimensional motion: 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 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/TB8274/11eb6b7b_2f2c_8c82_b0cf_c1fa86cf08cc_TB8274_11.jpg)
= [2.0 m + ( 5.00 m/s) t] ![Two-dimensional motion: 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 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/TB8274/11eb6b7b_2f2c_8c83_b0cf_2b985a3c84a1_TB8274_11.jpg)
+ [3.0 m - ( 2.00 m/s2) t2] ![Two-dimensional motion: 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 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/TB8274/11eb6b7b_2f2c_8c84_b0cf_ffbd8e6ab6b2_TB8274_11.jpg)
, where quantities are in SI units. What is the speed of the object at time ![Two-dimensional motion: 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 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/TB8274/11eb6b7b_2f2c_8c85_b0cf_1537237d81bd_TB8274_11.jpg)
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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