rolaata12 rolaata12
  • 06-04-2020
  • Physics
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the answer please to this and how it’s urgent

the answer please to this and how its urgent class=

Respuesta :

917006450984help
917006450984help 917006450984help
  • 06-04-2020

Answer:

rA = 9 i + 9 j

rB = 12 i - 9 j

rB - rA = 3 i - 18 j

so distance in between them

= √[3×3 + 18 × 18 )

= √(9+324)

= √333

= 18.3 m

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