AlfWegener9911 AlfWegener9911
  • 13-03-2024
  • Physics
contestada

A force F = (4i - 5j) N acts on a particle that undergoes a displacement Δr = (4i + j) m.
A) -7 J, 143.1°
B) 7 J, 36.9°
C) -7 J, 36.9°
D) 7 J, 143.1°

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