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...