aleiiis1481 aleiiis1481
  • 30-11-2022
  • Physics
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the cable of a crane is lifting a 950 kg girder. the girder increases its speed from 0.25 m/s to 1.25 m/s in a distance of 2.7 m.
A. How much work is done bu gravity?
B. How much work is done by tension?

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