Recent content by scar123

Heat does not naturally flow from a cool body to a hot body. A refrigerator, however, does remove heat from the icebox and expels it as warm air to the outside world. In terms of enery, what is required to make this process function?

Conduction?

So conduction would be the answer to this? WHich is better answer though, Conduction or 2nd law of thermodynamics?

would conduction be a good answer to this?

Heat does not naturally flow from a cool body to a hot body. A refrigerator, however, does remove heat from the icebox and expels it as warm air to the outside world. What is required to make this process function?

Homework Statement Homework Equations You are designing a steam engine and you want to make it as efficient as possible in terms of the energy used to run it and the useful energy it can produce. What do you want to maximize and minimize in terms of the steam temperature and the...

north east and north west are my two choices?

Ok I made a fist haha. But then it doesn't make sense of how i should allign it with the clock hands lol... Is it just going to point upward? hhaa

But your thumb can go in many directions... that doesn't make any sense.

Yes... you have to curl your fingers, and then the thumb points in the direction of the vector? I just don't understand this. Could you give me a hint?

Homework Statement Clock hands move slowly but they do have a small angular momentum. According to the right hand rule, in which direction, with respect to the clock face, does the angular momentum vector point? Homework Equations right hand rule The Attempt at a Solution...