kyleek190 kyleek190
  • 19-10-2021
  • Physics
contestada

How much work is required to lift a 21 N rock 7 m above the ground?

Respuesta :

omidraeisi
omidraeisi omidraeisi
  • 19-10-2021

Answer:

Explanation:

w=-ΔU=-HF=-21×7=-147J

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