Solved

The Coordinate of an Object Is Given as a Function

Question 73

Multiple Choice

The coordinate of an object is given as a function of time by x = 7t - 3t², where x is in meters and t is in seconds.Its velocity at t = 3s is:

A) -6 m/s
B) -11 m/s
C) -21 m/s
D) 9 m/s
E) 18 m/s

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