The escape velocity from the earth's surfave of Earth is 1.1×10⁴ms¯¹. What is the escape velocity from a point at a height of 0.2r from the Earth's surface? (radius of Earth is r)

Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is

Imagine that you have two balloons (or, better yet, actually inflate two balloons, if possible). create static electricity around one of the balloons by rubbing it against your hair or your sweater and then bring that balloon close to the other balloon, which has not been charged. try this with at least one other object—and for variety in the discussion, avoid using an object already described by your classmates. then, for your initial post to the discussion, answer the following questions: what happened with the two balloons?