Considere que si 200ml de té a 95º C se vierten en una taza de vidrio de 150 g inicialmente a 25º C. ¿Cuál sería la temperatura de equilibrio esperada? (Dato: Cte=4186J/kg°C y Cvidrio=840J/kg°C).

Adding more pulleys to a system of pulleys needed to lift an object. a. increases the force b. decreases the force c. increases the amount of work d. decreases the amount of work

Arod of some material 0.20 m long elongates 0.20 mm on heating from 21 to 120°c. determine the value of the linear coefficient of thermal expansion [in (degrees c)^-1] for this material.

While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from a sodium street lamp, radio waves from an am radio station, radio waves from an fm radio station, and microwaves from an antenna of a communications system. rank these type of waves in terms of increasing photon energy.