What is the velocity at t = 2.0 s for x = a + bt² with b = 2.5 m/s²? - KINEMATICS Quiz | GKFix.in

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Question

What is the velocity at t = 2.0 s for x = a + bt² with b = 2.5 m/s²?

A. 5.0 m/s
B. 7.5 m/s
C. 10 m/s
D. 12.5 m/s