According to Newton's first law, which characteristic of a moving object would remain constant if there were no other forces acting on it?
1- size
2- mass
3- shape
4- speed

The molecular formula for caffeine is cshion402. which of the following elements is not found in caffeine?

How do you lengthen a pattern piece? (family and consumer science, sewing)

Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy