heaven929
heaven929 heaven929
  • 02-11-2018
  • Physics
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A child on roller skates pushes off against the wall with a force of 40N. How far must the child push themselves away from the wall (starting from rest), so that his final kinetic energy is 275J?

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higuuo higuuo
  • 02-11-2018
80 y jlhguyvhbcvuhsrysft
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