During an autumn storm, a 0.012-kg hailstone traveling at 20.0 m/s made a 0.20-cm-deep dent in the hood of Darnell’s new car. If the Force of the hail was 1200 N downwards, what was the time of impact of the damaging hail stone?

How can waves travel through ground?

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up

The items in the following list are all units of matter. which is the smallest unit that retains the properties of the matter? a.) atom b.) compound c.) electron d.) element