Metal is a conductor of heat
If it were broken, no hot water would be contained in the mug or tea cup.
Metal is a good conductor of heat, so when hot water is placed in a metal mug, the heat is quickly transferred from the water to the mug and then to the surrounding air. This rapid heat transfer accelerates the cooling process of the water.
The energy from the boiling water is transferred to the mug through conduction. The hot water molecules collide with the mug's molecules, causing them to vibrate and increase in temperature.
A plastic cup will not keep hot water warm for a significant amount of time. It is not an effective insulator and heat will dissipate quickly. It is recommended to use a thermal mug or a container specifically designed to keep beverages warm for longer periods.
It depends on the mug. If you use a heat retentive coffee mug, it will keep your coffee hot to the last sip (25 to 30 minutes); It requires one minute preheating in a microwave oven.
An insulated mug will keep liquids hot for several hours. If the question refers to a typical styrofoam cup, that is the one that will cool the fastest. Heat equalises more quickly with the outside temperature.
A Bubba mug is basically just a mug so one could use the Bubba mug to drink tea, coffee or hot chocolate. It could also be used to drink water if one is out of cups.
To keep drinks hot, you can use an insulated thermos or travel mug that is designed to maintain heat retention. Make sure to preheat the container with hot water before filling it with your drink. Avoid leaving the lid off for too long, as this can cause heat to escape.
use insulation to keep the water hot for 40 minutes
Metal is a good conductor of heat, so it allows heat to flow from the hot water more quickly than a material like ceramic or glass. This results in faster heat loss and a quicker cooling of the water inside the metal mug.
They prefer tea cups as tea is served very hot and a tea cup is thinner than a coffee mug so the tea will cool quicker oppossed to a coffee mug which is supposed to keep your coffee hot.
Neither, I would drink it from a ceramic mug.