Answer:
Kinetic energy is energy possessed by an object in motion. The earth revolving around the sun, you walking down the street, and molecules moving in space all have kinetic energy. Potential energy is energy an object has because of its position relative to some other object.
Explanation:
1. Mary is 500 Meters away from her starting point because the hypotenuse represents the displacement of Mary from A to O.
2. Since Mary took the long way, she walked a total of 700 Meters. (Because she went from A to O to B, and the sum of 300 and 400 is 700).
3. Mary walked 140 Meters per minute, because S=D/T. so speed = 700 divided by 5, 140.
Animals have a food chain. (sorry for my bad English)
Answer:
Gravity.” or “Gravity causes the moon to orbit the earth.” “Acceleration due to gravity” is much more precise. It is the acceleration that an object experiences when it is dropped with no other external forces on it. ... Near the surface of the earth the acceleration due to gravity is about 9.8
Answer:
Sound waves enter the outer ear and travel through a narrow passageway called the ear canal, which leads to the eardrum. The eardrum vibrates from the incoming sound waves and sends these vibrations to three tiny bones in the middle ear. These bones are called the malleus, incus, and stapes.
Explanation: