Monday, July 14, 2014

Surfing For Physics Formulas For Velocity?

Paul asks…What is the final velocity of this object?An object initially traveling at a velocity of 2.0m/s left accelerates uniformly at a rate of 1.3m/s^2 left. During this time of acceleration, the displacement of the object is 15m left. What is the final velocity?Nancy answers:Use constant acceleration kinematics. There are two equations worth remembering:

x_f = x_i + (v_i) t + ½ a t²

v_f = v_i + a t

where "f" represents final states, and "i" represents initial states. These two

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