A resultant force of 4. 0n acts on an object of mass 0. 50 kg for 2. 0 second. What is the change in the velocity caused by this force?.

In the image, layer a is the topmost layer. layer c contains fossils from the precambrian era. layer b contains dinosaur fossils, and layer a contains fossils of mammals. which two statements are supported by this evidence? 1. mammals lived before the precambrian era. 2. dinosaurs and mammals existed in the precambrian era. 3. dinosaurs evolved after precambrian organisms. 4. precambrian organisms evolved after dinosaurs. 5. precambrian organisms were the first life-forms to become fossilized, according to this sample.

What does the first stage of a multistage rocket do?

The tendency to seek out individuals who represent the same level of physical attractiveness as ourselves is explained as