durgindestiny8 durgindestiny8
  • 25-10-2021
  • Physics
contestada

What is the efficiency of a ramp if 2,000 joules of energy results in 1.200 joules of work? (1 point)
O 32%
O 80%
60%
0 24%

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Аноним Аноним
  • 25-10-2021
  • Total energy=∆E=2000J
  • Used energy=E=1200J

[tex]\boxed{\sf Efficiency=\dfrac{E}{∆E}\times 100}[/tex]

[tex]\\ \sf\longmapsto Efficiency=\dfrac{1200}{2000}\times 100[/tex]

[tex]\\ \sf\longmapsto Efficiency=\dfrac{3}{5}\times 100[/tex]

[tex]\\ \sf\longmapsto Efficiency=60\%[/tex]

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