Physics

# What is the expression for average acceleration?

Acceleration = Change in velocity divided by the change in time. This formula only works if velocity is constant.

If velocity is not constant, find the acceleration for both points in time. Then add the two accelerations and divide by 2.

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## Related Questions

Acceleration is the derivative of the velocity expression. If you have an equation for velocity, simply take the derivative of it and you will have an equation for the average acceleration.

The average acceleration of an object is equal to the instantaneous acceleration of that object if the acceleration is constant (i.e. linear when graphed). However, when there is not constant acceleration, there is no guarantee that the average acceleration is equal to the instantaneous acceleration (i.e. non-linear when graphed).

average acceleration is the average of the acceleration of a body in its entire motion where as instantaneous acceleration is the rate of change of velocity at an instant. it may be a function of time or velocity or displacement.

Average acceleration is the average of the accelerations acquired in the whole journey by a body while instantaneous acceleration is the acceleration of the body at any particular instant of time.

You have a contradiction in your question. Instantaneous acceleration is the acceleration at a certain moment in time. Average acceleration is the average over a time interval.

By using the basic definition of acceleration, as (difference of velocity) divided by (time). In cases where the acceleration can be expected to change over time, to get the instantaneous acceleration, you need the limit of this expression, in other words, dv/dt.By using the basic definition of acceleration, as (difference of velocity) divided by (time). In cases where the acceleration can be expected to change over time, to get the instantaneous acceleration, you need the limit of this expression, in other words, dv/dt.By using the basic definition of acceleration, as (difference of velocity) divided by (time). In cases where the acceleration can be expected to change over time, to get the instantaneous acceleration, you need the limit of this expression, in other words, dv/dt.By using the basic definition of acceleration, as (difference of velocity) divided by (time). In cases where the acceleration can be expected to change over time, to get the instantaneous acceleration, you need the limit of this expression, in other words, dv/dt.

It is not. Average acceleration is (change of velocity)/(time for the change)

Average acceleration = Change in speed/time so Time = Change in speed/Average acceleration

The average acceleration is given by the expression a &#8710;v/&#8710;t (15 m/s)/5s 3m/s2 where a is acceleration, v is velocity, and t is time. &#8710; (final-initial) value.

Average acceleration will be equal to instantaneous acceleration when an object has an uniform acceleration throughout its motion. Example : A car accelerating at 1m/s2 uniformly in a straight line.

Average Acceleration = V/t = Vf-Vi / Tf-Ti

AnswerAcceleration = v2 - v1.........................timeAverage Acceleration requires you to average the the initial velocity of your trials and the ending velocity of your trials. You must also find the average for your time trials. Once you achieve these numbers, just plug them into the above formula and you can solve for average acceleration.

All acceleration in real life is an average figure = velocity increase / time

There are various equations that involve acceleration; the simplest one is the definition of acceleration: acceleration = (change of velocity) / time.

If you are referring to the penn foster question 2. In which of the following units is acceleration expressed? the answer is D. Meters per second squared

Average speed = Distance travelled/time to travel the distance . Average acceleration = Change of speed/time for the change .

Acceleration = (change in speed) divided by (time for the change)

Average Acceleration can be verbally defined as the change in velocity in a certain change in time... More simply put: Average Acceleration = (Final Velocity - Initial Velocity) / (Final Time - Initial Time)

Average speed can be represented by the mathematical expression "distance x time."

That's true throughout any period of time during which the acceleration is constant.

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