You use the information that you do have, along with the formulas, equations, and
definitions you've learned that express the relationship among quantities such as
position, speed, velocity, acceleration, and time, to find the unknown quantity.
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You can find the final velocity without knowing the initial velocity by using other variables such as acceleration and time. You can use the equation v = u + at, where v is the final velocity, u is the initial velocity (which is unknown), a is the acceleration, and t is the time.
There are several methods. The choice depends on
what information is known or given.
You can find the final position by using the acceleration and time. If you know the initial velocity and acceleration, you can calculate the final position using the kinematic equation ( x = x_0 + v_0t + \frac{1}{2}at^2 ), where ( x_0 ) is the initial position, ( v_0 ) is the initial velocity, ( a ) is the acceleration, ( t ) is the time, and ( x ) is the final position.
You can use the equation: Displacement = (final velocity squared - initial velocity squared) / (2 * acceleration). Plug in the values of final velocity, initial velocity, and acceleration to calculate the displacement.
You can use the equation: final velocity = initial velocity + acceleration * time. Rearrange the equation to solve for initial velocity: initial velocity = final velocity - acceleration * time. Simply substitute the given values for final velocity, acceleration, and time into the equation to find the initial velocity.
You can find the final speed by using the formula: final speed = initial velocity + (acceleration * time). Plug in the given values for initial velocity, acceleration, and time into the formula to calculate the final speed.
If the velocity is uniform, then the final velocity and the initial velocity are the same. Perhaps you meant to say uniform acceleration. In any event, the question needs to be stated more precisely.