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A simple problem with the new version of Mathematica. (units)

Rob Brown

Rob Brown, Retired and still learning

Posted 11 years ago

Simple Question: I have just started using Mathematica 10. In the older versions using Units was easier. Just << `Units and you could calculate F=ma using grams and centimeters, just like by hand. How do you do that in Mathematica 10 i.e. How do I calculate: F= 10 gm 980 cm/sec^2, and get an answer in dynes?

POSTED BY: Rob Brown

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Douglas Kubler

Posted 11 years ago

Syntax clumsy but at least the formula is built-in. a = Quantity[410^14, "Hz"]; b = Quantity[273, "Kelvin"]; FormulaData[{"PlanckRadiationLaw", "Frequency"}, {QuantityVariable["\[Nu]","Frequency"] -> a, QuantityVariable["T","Temperature"] -> b}] I(\[Nu])==2.72804549877655510^-37 kg/(s)^2

Syntax clumsy but at least the formula is built-in.

a = Quantity[4*10^14, "Hz"];
b = Quantity[273, "Kelvin"];
FormulaData[{"PlanckRadiationLaw",  "Frequency"}, {QuantityVariable["\[Nu]","Frequency"] -> a,  QuantityVariable["T","Temperature"] -> b}]

I(\[Nu])==2.728045498776555*10^-37 kg/(s)^2

POSTED BY: Douglas Kubler