roselilly18547 roselilly18547
  • 22-03-2018
  • Physics
contestada

please help both questions 

please help both questions class=

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19lmontanezmart
19lmontanezmart 19lmontanezmart
  • 22-03-2018
Number 3 is C and number 4 i really don't know because i can't see the answer choices 
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