In a demonstration of heating by convection, your teacher heats a beaker of water to boiling on a hot plate. Which hypothesis correctly describes how heating by convection occurs? (AKS 7d) a- As particles of a substance are heated, energy is transferred to neighboring particles by collisions of the particles.

b - As particles of a substance are heated, energy is transferred by gas bubbles within a liquid.

c - As particles of a substance are heated, energy is transferred due to the radiant energy from the heat source.

d - As particles of a substance are heated, energy is transferred as more energetic particles within the substance rise and less energetic particles sink.

The coulomb's law explains which of the following? select all the force between two charged objects is inversely proportional to the charge on each object. the force between two charged objects is directly proportional to the charge on each object. the force between two charged objects is directly proportional to the distance separating them. the force between two charged objects is inversely proportional to the square of the distance separat coulomb's law is similar to newton's 2nd law. if the force between two objects is f and the charge on both objects is doubled, the new force between the would now be 2f. if the force between two objects is 2f and the distance separating them is doubled, the new force between the objects would now o the be zf.

Atriangle with equal sides of length 10 cm has -2.5-nc charged objects at each corner. part a determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. horizontally rightward vertically downward vertically upward horizontally leftward

Properties seen when one one substance changes to another are known as properties