A person of mass 65 kg is ascending on an escalator at a constant velocity of 2.5 m/s [22°above the horizontal]. Why The magnitude of the net force acting on the person is 0 N
December 3, 2011
Up owns 80% of Down. During 2009 Down began selling merchandise to Up at gross profit margin of 20%. Sales by Down to Up for the year totaled $80,000, of which $10,000 remain unsold. In 2010 Down sold $100,000 merchandise to Up at gross margin of 40%. Ups Ending ...
April 7, 2011