1- O que são misturas homogêneas? Cite um exemplo. 2- O que são misturas heterogêneas? Cite um exemplo.

3- Em uma mistura heterogênea, o que podemos chamar de fases?

4- O que são soluções?

5- Diferencie soluto de solvente.

Mass (kg) force (n) 5 25 10 50 15 75 20 100 a student was trying to find the relationship between mass and force. he placed four different masses on a table and pulled them using a spring scale. the table shows the different masses used in the experiment and the force required to pull each mass. the student concluded that more force was required to pull heavier objects. what comment would you make regarding his conclusion? a) no clear relation can be observed between mass and force from the data. b) there is a direct proportion between the mass and force listed in the table. c) gravity should have been taken into account while performing the experiment. d) there is an inverse proportion between the mass and force listed in the table.

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.

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?