Question
In new system of units, the mass is measured in grams, length is measured in kilometers and time is measured in minutes. What is the value of 1W in new system of units?
Solution
Watt(W) is unit of power in SI system and dimensional formula of power is given by,
In SI system,
M1 = 1 kg, L1 = 1 m, T1 = 1s
In new system,
M2 = 1 kg, L1 = 1 m, T2 = 1 min
We know,
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= 216
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1W = 216 gm km2 / min2
In SI system,
M1 = 1 kg, L1 = 1 m, T1 = 1s
In new system,
M2 = 1 kg, L1 = 1 m, T2 = 1 min
We know,
= 216
1W = 216 gm km2 / min2 
