Recent content by Skysong12

Homework Statement How much heat does it take to vaporize 600g of lead that is initially at 34°C? Homework Equations heat capacity=1.3X102 The Attempt at a Solution ΔT = 1750°C - 34°C = 1716 ° C Q= m X c X ΔT = 0.6 X 1.3X102 X 1716 =133,848 J Am I suppose to...

Homework Statement A construction worker passes a brick to another worker by pushing it across a wooded floor. the brick has a mas of 2.7kg. The force required making the brick move with acceleration of 0.42m/s2 is 28 N. What is the co-efficient of kinetic friction acting on the brick? The...