how do i convert grammes into mega joules?

4 ⤊

how do i convert grammes into mega joules?

2007-03-26 09:43:40 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Physics

4 answers

I think there's a bit missing from your question, isn't there?

Grammes are a measure of mass and joules a measure of energy.

2007-03-26 09:50:25 · answer #1 · answered by Whoosher 5 · 3⤊ 1⤋

E= mc^2 with

m in kg
c in m/s

so 1g is 0.001kg

so

E = 0.001kg * (300 000 000m/s)^2
E = 9 x 10^13 J = 9x10^7 MJ

1 gram is 9 x 10^7 Megajoules
or 90 000 000 Megajoules

2007-03-26 10:07:11 · answer #2 · answered by catarthur 6 · 1⤊ 0⤋

Go to http://www.gregorybraun.com/ and download unit conversons.

2007-03-28 09:31:45 · answer #3 · answered by Michael K 1 · 0⤊ 0⤋

www.convertit.com/Go/ConvertIt/Measurement/Converter.ASP

2007-03-26 09:54:03 · answer #4 · answered by john 4 · 0⤊ 1⤋