An object has a position given by = [2.0 m + (5.00 m/s)rļi + [3.0 m - (2.00 m/s2)/2§. where quantities are in SI units. What is the speed of the object at time 1 = 2.00 s? A) 13.0 B) 6.40 (9 9.43 D) 7.00 E) 7.65 m/s m/s m/s m/s m/s

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
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An object has a position given by r = [2.0 m + (5.00 m/s)r]i + [3.0 m - (2.00 m/s2)/²\j.
where quantities are in SI units. What is the speed of the object at time 1 = 2.00 s?
A) 13.0
B) 6.40
C) 9.43
D) 7.00
E) 7.65
m/s
m/s
m/s
m/s
m/s
Transcribed Image Text:An object has a position given by r = [2.0 m + (5.00 m/s)r]i + [3.0 m - (2.00 m/s2)/²\j. where quantities are in SI units. What is the speed of the object at time 1 = 2.00 s? A) 13.0 B) 6.40 C) 9.43 D) 7.00 E) 7.65 m/s m/s m/s m/s m/s
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