Homework Statement
50 grams of brass shot are heated to 200C° and dropped into a 50-g aluminum cup containing 160-g of water. The temperature of the cup and water are 20 C°. what is the equilibrium temperature.
Homework Equations
mcΔT=mcΔT
The Attempt at a Solution
I've...
Homework Statement
In a heat treatment, a hot copper part is quenched with water, cooling it from 400 degrees Celsius to 30 degrees Celsius. What was the mass of the part if it loses 80 kcal of heat.
Homework Equations
Q=mcΔT
The Attempt at a Solution
m=c ΔT/Q...
Well I know if the mass constant, and if the velocity is increased or decreased then so does the KE. I can wrap my head around that much, but If the KE is doubled it makes me want to say the velocity and mass doubles. what you do to one side of the equation you must do to the otherside, but for...