Answers created by De Wagley

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• A model train, with a mass of #16 kg#, is moving on a circular track with a radius of #9 m#. If the train's kinetic energy changes from #40 j# to #9 j#, by how much will the centripetal force applied by the tracks change by?
  
• A box with an initial speed of #6 m/s# is moving up a ramp. The ramp has a kinetic friction coefficient of #2/5 # and an incline of #( 5 pi )/12 #. How far along the ramp will the box go?
  
• Question #810cb
  
• How do you solve #10( x + 3) - ( - 9x - 4) = x - 5+ 3#?
  
• Question #ed6e4
  
• Question #dd0e9