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RealStephani
03.01.2020 •
Physics
Without the law of universal gravitation there would be no stars planets stars or planets energy
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Ответ:
Answer : Stars or Planets
Ответ:
B
Explanation: The mechanical advantage of a pulley system is equal to the number of supporting ropes. In this pulley system, there are two supporting ropes; the mechanical advantage is 2.