I need help rn pls will mark brainliest

Avalue that describes how heavy an object is and is related to the force of gravity is

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

Aphysical change is a change in the size, shape,, or stafe of matter true or false