How do i calculate the acc from vel
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How do i calculate the acc from vel

[From: ] [author: ] [Date: 12-05-13] [Hit: ]
Than there is no acceleration , Because there is no change in velocity. This is state of uniform velocity.Example 2 If object travel 2meter in first second, Than also 4meters in next one second. ,......
differentiate velocity in terms of time.

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you can calculate acceleration for any interval of time by this equation

Acceleration A = v2-v1/t2-t1 = dv/dt

Acceleration is change of velocity per secs,
Example 1 If object travel 2meters in first second, Than also 2meters in next one second. Than there is no acceleration , Because there is no change in velocity. This is state of uniform velocity.

Example 2 If object travel 2meter in first second, Than also 4meters in next one second. , Now velocity is increased mean Than there is a acceleration for this 2 secs of time interval.

You can calculate from equation 1

A= 4-2/2-1= 2m/secs ^2

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if you have two velocities at two different times you can calculate average acceleration

a = (v(2) - v(1))/(2 -1) = v(2) - v(1)

see how that gives average acceleration

this is not as useful as the differential but this can be calculated even if you have no equation for velocity

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You can't differentiate in terms of time. They are both referenced to a unit of time. Velocity is a sustained amount of distance/time unit were as acceleration is a change in that sustained amount wether it be an increase or decrease.
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