Bonjour pouvez vous m’aidez svp je dit rendre mon devoir aujourd’hui svppp

If you were to drop a rock from a tall building, assuming that it had not yet hit the ground, and neglecting air resistance. what is its vertical displacement (in m) after 6 s?

Density of salty water as compared to the density of pure water is(a) is less(b) is always equal(c) is always more(d) may be less or more

You are about to open a container of soy milk but notice that there are instructions to “shake well before serving.” the soy milk is most likely a