No.
No, something cannot be simultaneously cold and hot. Temperature scales operate on a continuum where hot and cold are opposites. However, something can feel hot initially when it provides a sudden contrast to a very cold environment and vice versa.
It is cold so I suggest that you were a pants and a sweater and something warm
endothermic is when something changes from to hot to cold and ectothermic is when something changes from cold to hot.
Something that is changed by something something thAt is something so it's something
How hot or cold something is.
Thermometer
Thermometer
Heat flow determines how hot or cold something feels when you touch it.
temperature decrease is cold temperature increase is hot
When we call something hot we mean that its temperature is high, and when we call something cold we mean that its temperature is low.
When something gets hot it expands and when it gets cold it'll contract
Thermal conductivity most determines how hot or cold something feels when you touch it. The nerve endings in your skin determine what is hot and cold when you touch it.