24.100kg of copper at 33.000 degrees Celsius receives 310.000 kJ of heat. Calculate the final temperature of the metal.
Homework Equations
Q=mc(t2-t1)
The Attempt at a Solution
I solved the equation for T1
T1=c*m*Q-T2 / C*m
The answer however seems really small and...
Could i get some help with this one please
The ultimate strength of a round steel rod is 620.000 MPa. If a factor of safety of 3.000 is required, what is the maximum permissible load for the rod if it has a diameter of 3.000 cm?
Hi was wondering if i could get some help with this question
-An object is allowed to free fall from rest from a height of 9 m. What will be its velocity on striking the ground?
---My solution to this was to simply multiply the 9m by 9.81m/s... which is wrong the solution posted to this...