Three identical objects are placed at sea level as follows: the first in Lebanon; the second at the equator; and the third at the North Pole. At which point is the object's
weight highest? At which point is it lowest? Explain your answers.​

4. who was the first one to measure the speed of light and conclude that it is finite? 5. who was the first philosopher who thought the speed of light is finite? 13. what is the speed of light numerically? 14. give an example of something moving faster than light 15. give an example for some particles or waves that

What will a positive and a negative charge do if they are separated from each other?

If a substance is in the gas phase, which of qualities of the gas will stay constant? a: volume b: mass c: shape d: position of particles