An Object Has a Position Given by = [2

question 37

Multiple Choice

An object has a position given by = [2.0 m + (5.00 m/s) t]
+ [3.0 m - (2.00 m/s²) t²]
,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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Definitions:

Operate

To control the functioning of; manage or run.