Table of Contents

## How do you find initial and final velocity?

^{2}, for equations involving the Earth’s gravitational force as the acceleration rate of an object.

## What is initial velocity example?

## How do you find initial velocity in motion?

## How do you find initial velocity in V?

## What’s the initial velocity?

## What’s the formula for final velocity?

**Final velocity (v) squared equals initial velocity (u) squared plus two times acceleration (a) times displacement (s)**. Solving for v, final velocity (v) equals the square root of initial velocity (u) squared plus two times acceleration (a) times displacement (s).

## How do you find the initial velocity of a free falling object?

## What is initial velocity on a graph?

**the value of the velocity where the time is equal to 0**. This means, that the initial velocity is the y-intercept of the graph.

## How do you find initial velocity on a velocity time graph?

## How do you find initial velocity with only time?

## What is the initial velocity of a projectile?

**21.2 m / s**.

## How do you find the initial value?

**looking for the constant of an equation**. Knowing the y-intercept will help in graph functions. To confirm the initial value, substitute 0 0 in for x x and solving for y y .

## What are the 3 formulas for velocity?

The three equations are,

**v = u + at**.**v² = u² + 2as**.**s = ut + ½at²**## How do you find initial velocity with acceleration and time?

**How do you find initial velocity?**

- Work out which of the displacement (S), final velocity (V), acceleration (A) and time (T) you have to solve for initial velocity (U).
- If you have V, A and T, use U = V – AT.
- If you have S, V and T, use U = 2(S/T) – V.
- If you have S, V and A, use U = SQRT(V
^{2}– 2AS).

## Can initial velocity be zero?

**If you choose to start looking when something is already moving, that object will have an initial velocity that is not zero**. For projectiles, as Arturo mentioned, we tend to start looking at an object after it has been launched, and already attained some speed, so it has a non-zero initial velocity.

## How do you find the initial velocity of an object thrown upward?

## How do you find velocity with acceleration and height?

**Multiply the height by the object’s acceleration due to gravity**. The acceleration due to gravity is 32.2 ft/s^2 for English units, or 9.8 m/s^2 for SI units. If you drop an object from 15 feet, for example, you would multiply 15 ft * 32.2 ft/s^2 to get 483 ft^2/s^2. Multiply the result by 2.

## How do you find the velocity of an object when it hits the ground?

**How to use the free fall formula: an example**

- Determine the gravitational acceleration. …
- Decide whether the object has an initial velocity. …
- Choose how long the object is falling. …
- Calculate the final free fall speed (just before hitting the ground) with the formula v = v₀ + gt = 0 + 9.80665 * 8 = 78.45 m/s .

## How do you find initial velocity from slope?

## Is the initial velocity the Y intercept?

**the”y” intercept equals the initial velocity**. when two curves coincide, the two objects have the same velocity at that time. straight lines imply uniform acceleration .