como an contribuido las técnicas, los procesos, herramientas, y los materiales en la fábricacion de artefactos tecnológicos atraves de la historia ​

What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds

Which situation will have the highest resistance? a.long wire and high temperatureb.short wire and high temperaturec.long wire and cold temperaturedshort wire and low temperature

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?