You go sledding down a very hill close to a major highway At the bottom of the hill is a smaller hill (5 meters tall) acting as a barrier to the highway. You get a running start of 4 m/s.
Use a mass of 1 kg. How high up the hill can you start without going over
the smaller hill into traffic?

in physics zero. in muscle fatigue could be high

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