David is driving a steady 29. 0 m/s when he passes tina, who is sitting in her car at rest. Tina begins to accelerate at a steady 2. 90 m/s2 at the instant when david passes.

igneous rocks also form where plates converge. the subducting plate melts as it sinks into the crust of the earth, and the melt rises into the overriding plate forming volcanoes. metamorphic rocks are formed mainly in the lithosphere, wherever there is high pressure and high temperature. -woods