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if by 'you', you mean 'u' then u is the initial velocity v is the final velocity. you need to know the initial velocity in trajectory question (motion of an object through the air) to find height, acceleration, time etc.

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17y ago

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Related Questions

How is acceleration related to velocity?

Acceleration is the rate of change in velocity.


Equation for calculating velocity when acceleration and time are known?

The equation for calculating velocity when acceleration and time are known is v = u + at, where v is the final velocity, u is the initial velocity, a is the acceleration, and t is the time.


What tells how velocity changes?

Acceleration tells how velocity changes. If the acceleration is positive, the velocity is increasing; if it is negative, the velocity is decreasing. The equation that relates them is v = u + at, where v is the final velocity, u is the initial velocity, a is the acceleration, and t is the time.


How do I rearrange the acceleration formula to solve it for initial velocity?

Where a = (v-u)/t a is acceleration, v is final velocity u is initial velocity t is time so, u=v-at


What is the mathematical link between velocity and acceleration?

Rate of change of velocity is called acceleration. The mathematical link is: acceleration a=dv/dt where v is the velocity. It's a derivative of v with respect to time t.


How do you find acceleration with given velocity and time?

Time equals velocity divided by acceleration. t=v/a


How do you get acceleration?

a=dv/dt a=acceleration v=velocity t=time.


What do you do to get acceleration?

a=dv/dt a=acceleration v=velocity t=time.


How do you do acceleration?

a=dv/dt a=acceleration v=velocity t=time.


What is the formual for acceleration?

If the acceleration is constant.... The formula for velocity is v = v₀ + at For distance it is d = d₀ + v₀t + ½at² For velocity without time it is. v² = v₀² + 2ad For more details refer to the related link in the Related Links section below. The subject is called kinematics


What is the forula for acceleration?

a=dv/dt a=acceleration v=velocity t=time.


How is acceleration caculated?

Acceleration is the the fluctuation in velocity per unit time.to calculate the acceleration we need the formula : Acceleration = Velocity fluctuations / time taken or Acceleration = Final velocity - Initial velocity / time taken or a = v-u/t