Question

which quantity of 2 particles system depend only on the separation between the 2 particles?? (what is the reason)
A) KE
B) PE
C) both A and B

Answer 1

i think PE
let me explain see
throw a ball down
at the time when ball in hand PE so seperation there
but
when dropped KE makes the seperation less until seperation is 0
so answer is PE