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The idea is that you should:

a) Calculate the change in velocity.

b) Divide this change by the time.

This gives you the average acceleration over the 20 seconds, in this case.

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9y ago
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7y ago

Acceleration = change in velocity/time = (4 - 2)/20 = 0.1 m/s/s.

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15y ago

0.1 m/s²

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Q: Acceleration is defined as a change in velocity over time. if a runner increases velocity from 2 ms to 4 ma over a period of 20 seconds what is her acceleration?
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Related questions

What can Acceleration be defined as?

Velocity divided by time. The amount the the velocity increases by per second.


Is velocity the same as acceleration?

Both are vectors. But acceleration and velocity have different dimensions. Acceleration is defined as the rate of change of velocity.


Can an object be accelerating with constant velocity?

No, since acceleration is defined as a change in velocity. If there is no change, there is no acceleration.


Can be defined as the rate at which velocity changes?

accelerationThe rate at which velocity changes is called "acceleration".


If an object is moving at a constant velocity what do you know about its acceleration?

"Acceleration" means change of velocity. If velocity is constant, then acceleration is zero.


How is acceleration similar to velocity?

Acceleration is the RATE OF CHANGE of velocity. That means that acceleration and velocity have different units.The only similarity is that both are defined as rates of change.


Acceleration is defined as a change in velocity over time . If a runner increases velocity from 2 ms to 4 ms over a period of of A seconds what is her acceleration?

It is 0.1 metre per second-squared.


Does acceleration always result from a change in velocity?

Acceleration is defined as the rate of change of velocity... so, yes.


What is acceleration multiplied by time?

Since acceleration is defined as change of velocity divide by time, it has units of (velocity / time). acceleration x time = (velocity / time) x time = velocity


What Acceleration is defined as a change in velocity over time. If a runner increases velocity from 2 ms to 4 ms over a period of 20 seconds what is her acceleration?

It is 0.1 metre per second-squared.


What is her acceleration if 'acceleration is defined as a change in velocity over time. If a runner increases velocity from 2 ms to 4 ms over a period of 20 seconds?

It is 0.1 metre per second-squared.


Acceleration is defined as a change in velocity over time. if a runner increases velocity from 2 ms to 4 ms over a period of 20 seconds what is her acceleration?

It is 0.1 metre per second-squared.