How to calculate the change in R or displacement.

[afcwestwarrior]

What are some formulas that I should use to calculate this. Give some examples please.

 

[Integral]

We cannot read your mind, please make a complete statement of your question. What is R? In what sense are you using displacement?

 

[dipstik]

i suggest differential calculus, Newton's laws and some common sense (whatever that means)