Una jarra tiene dos litros de jugo a 20°C. Se le agregan algunos cubos de hielo y se revuelve bien hasta que los hielos se funden.
La masa del hielo era de 0.3Kg y su temperatura de 0°C. ¿Cuál
es la temperatura del jugo cuando alcanza el equilibrio térmico?

Aforklift raises a 1,020 n crate 3.50 m up to a shelf. how much work is done by the forklift on the crate? the forklift does j of work on the crate.

Apositive charge moves in the direction of an electric field. which of the following statements are true? check all that apply. check all that apply. 1.the potential energy associated with the charge decreases. 2. the electric field does positive work on the charge. 3. the electric field does negative work on the charge. 4. the potential energy associated with the charge increases. 5. the electric field does not do any work on the charge. 6. the amount of work done on the charge cannot be determined without additional information.

The earth exerts a gravitational force of 500 n on amy. what is amy’s mass in kg?