What is the velocity of an object that moves from 70 m to 68 m in 14 s?

How many molecules are present in 3 mols of silicon dioxide (sio2)?

Lin yao looks at the back of a spoon. how should she describe her reflection? upside down and smaller upside down and larger right-side up and smaller right-side up and larger

How much force was applied to an object if was moved 2 meters and the work done on the object was 8 joules? a. 0.25 n b. 4 n c. 6 n d. 16 n