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How much work is needed to push a 950 kg car up an incline that is 810 meters long and tilted 9.00 above horizontal? At

  1. How much work is needed to push a 950 kg car up an incline that is 810 meters long and tilted 9.00 above horizontal?
  2. At room temperature an oxygen molecules has a typical kinetic energy of about 6.21 x 10-21 J and a mass of 5.31 x 10-26 kg. How fast is it moving?

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