Newton's second law of motion is also known as a) quantitative law of motion
b) quantitative law of force
c) qualitative law of motion
d) qualitative law of force

Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies. molten iron has a density of 7.0g/cm cubed. in its solid state, iron has a density of 8.0g/cm cubed.

Examine the nuclear reacti why is this classified as a nuclear reaction rather than a chemical reaction? it is not balanced. a new compound is formed. a change has occurred in a nucleus. a new element has been formed.

Abar magnet cut in half will form a total ofpoles.a)fourb)eightc)two