what is maximun velocity? plz give me the answer ....
Answers
Terminal velocity is the maximum velocity attainable by an object as it falls through a fluid. It occurs when the sum of the drag force and the buoyancy is equal to the downward force of gravity acting on the object. Since the net force on the object is zero, the object has zero acceleration.
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Explanation:
In physics, how is maximum velocity found?
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Maximum velocity is reached when you stop accelerating, because this is when you can't gain anymore speed, i.e. acceleration is zero. In other words the derivative of velocity is equal to zero. However, zero acceleration can also result in minimum velocity because you can't lose any more speed.
Steps: equate the derivative of velocity to zero and find the values of t for which the velocity is stationary (minimum or maximum). Find the second derivative of velocity and substitute the values of t which you found. If the second derivative has positive value then t gives minimum velocity. If 2nd derivative has negative value then t gives maximum velocity. Once you've figured out the desired value of t, substitute it in velocity equation to get maximum velocity.