Answer:
7. 5km/h
8. 10km/h
I just need to add characters so i can post
Answer:
c is the speed of light
Explanation:
E: energy
m: mass
c2: speed of light squared
Your answer is 4 protons 4 electrons and 5 neutrons
Answer:
Weight is a 'force' and in the imperial system, it is measured in pounds-force (lbf or lbf). You might hear this term used together with the term 'slug'. A slug has a mass of 32.174049 lb.
Explanation:
