Answer:
The density of the wooden cube is
Explanation:
Recall that the weight of the entire piece of wood that is floating must equal the weight of the displaced water in the case we have an object under flotation.
At the same time. we have a relationship between Volume (V), Weight (w) and density given by the formula:
Since both weights must be the same, we can write the following equation:
Answer:
Oi, mate its false
Explanation:
because if an leaf floats down from a tree it is not considered an object for a free-fall
Light refracts when it crosses the boundary between two types of material in which the speed of light is different.
Answer:
3.33 m/s is the correct answer.
Explanation:
Because electrons are negatively charged, and so are attracted to the positive end of a battery and repelled by the negative end. So when the battery is hooked up to something that lets the electrons flow through it, they flow from negative to positive.