" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
∆r = (-1-3)i + (-4-(-2))j
∆r = -4i -2j
jika ditanya nilainya:
∆r = √(∆x)²+(∆y)²
= √(-4)² + (-2)²
= √16 + 4
= √20
= 2√5 meter