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Posted by **niharika** on Wednesday, July 11, 2012 at 2:17am.

- physics -
**drwls**, Wednesday, July 11, 2012 at 6:28amPlease write your equations in an acceptable standard way. Do not use words like "and" and "by" in the equation.

Do you mean

P = A + B/t - C/(D+v) ?

What do you mean by a "dimensional formula?"

In the equation I have written,

A has dimensions of pressure

B has dimensions of (pressure)*time

C has dimensions of (pressure)/(velocity)

D has dimensions of velocity

- physics -
**niharika**, Wednesday, July 11, 2012 at 7:12amyes i mean the above equation which u have written P=A+B/T-C/D+V.

The expression which shows how and which of the base quantities represent the dimensions of a physical quantity is called the dimensional formula.

- physics -
**niharika**, Wednesday, July 11, 2012 at 7:38amplz sir help me

- physics -
**Elena**, Wednesday, July 11, 2012 at 8:39amM - mass,

L - length,

T - time

Pressure P

Pa= N/m² = kg•m/s²m²=kg/m•s² =M•L^-1•T^-2 ,

A = M•L^-1•T^-2 ,

B= M•L^-1•T^-1,

C = M•L^-2•T^-1,

D =L•T^-1.

- physics -
**niharika**, Wednesday, July 11, 2012 at 12:21pmthank u mam.

- physics -
**niharika**, Wednesday, July 11, 2012 at 12:34pmi have not understood how n/m square it comes kgm/s2m2 and the cap symbol.

- physics -
**Elena**, Wednesday, July 11, 2012 at 1:01pmNewton is the unit of force

F= ma =>

m –> kg

a-> m/s²

N = kg•m/s² =M•L•T^-2

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