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unit of mean square velocity

 
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Feb13-13, 11:47 PM   #1
 

unit of mean square velocity


hi..........
we know the unit of velocity is m/s2
and
while calculating the mean square velocity we find the average(or mean) of the 'squares' of the given velocities.
then the unit of MEAN SQUARE VELOCITY should be 'm2/s4'
then how come its unit is also m/s2 and not m2/s4 ?
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Feb13-13, 11:54 PM   #2
rbj
 
i think that it's m/s.
Feb14-13, 01:09 AM   #3

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Quote by HUMERA.S View Post
hi..........
we know the unit of velocity is m/s2
and
while calculating the mean square velocity we find the average(or mean) of the 'squares' of the given velocities.
then the unit of MEAN SQUARE VELOCITY should be 'm2/s4'
then how come its unit is also m/s2 and not m2/s4 ?
The unit of velocity is m/s. m/s2 is for acceleration.
The unit of the mean of square velocity is m2/s2, but we ususally speak about root-mean-square (RMS) velocity or speed - and it is m/s.

ehild
Feb14-13, 08:37 PM   #4
 

unit of mean square velocity


Quote by ehild View Post
The unit of velocity is m/s. m/s2 is for acceleration.
The unit of the mean of square velocity is m2/s2
OOOPS..!! yeah sorry i made a mistake . the unit for velocity is m/s..

but is the unit of mean square velocity really m2/s2 ????
(i mean, i just want to confirm. because in my book the unit of mean square velocity is given as m/s...... so the book must be wrong .)
Feb15-13, 01:40 AM   #5

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Mean square velocity is the average of the squared velocity. If it is square velocity , the unit is m2/s2. It can be a typo in your book, or they meant root-mean square velocity.

ehild
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