How do I calculate the mass of a proton?

[influx]

Anyone know how to do this?? I know that you should usually provide your own working out but I got an exam in one hour and I'm not sure of how to go about this :S

Thanks!

 

[.Scott]

1 MeV = 1.609 x 10-13 J
1 MeV/c2 = 1.79 x 10-30 kg

 

[dauto]

Just plug in the values for e and c and don't forget that M stands for 1 000 000, and you will get it.