Physics, 10.03.2020 02:09, austinpedigo

Steel balls 12 mm in diameter are annealed by heating to 1150 K and then slowly cooling to 400 K in an air environment for which T 325 K and h 20 W/m2 K. Assuming the properties of the steel to be k 40 W/mK, 7800 kg/m3 , and c 600 J/kg K, estimate the time required for the cooling process.

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 19:40, bighomie28

Anne applies a force on a toy car and makes it move forward. what can be said about the forces acting on the toy car at the moment anne applies the force?

Answers: 3

continue

Physics, 22.06.2019 09:50, Obememe

Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.

Answers: 1

continue

Physics, 22.06.2019 11:00, tdahna0403

Consider a system to be two train cars traveling toward each other. what is the total momentum of the system before the train cars collide? kg • what must the total momentum of the system be after the train cars collide? kg •

Answers: 2

continue

Physics, 22.06.2019 16:30, yagalneedshelp8338

Acalorimeter uses the principle that thermal energy flows from hotter material to colder material until both reach the same

Answers: 1

continue

Do you know the correct answer?

Steel balls 12 mm in diameter are annealed by heating to 1150 K and then slowly cooling to 400 K in...