Physics, 04.11.2019 22:31, catchonyet
The gecko is sticking upside down to a smooth ceiling. the remarkable adhesion might be due to static electricity. gecko feet are covered with microscopic hairs. when these hairs rub against a surface, charges separate, with the hair developing a positive charge and negative charge forming below the surface. there is an attractive force between the separated charges. this is an effective means of adhering to a surface, but it comes at a cost: two planes of charge are like two charged plates of a capacitor, which takes energy to charge. doubling the amount of charge on each surface increases the attractive force, but also increases the energy required to separate the charge. by what factor will this energy increase?
Answers: 2
Physics, 21.06.2019 14:10, sandersmakaylaovq5vu
Asteady current of 1 ais flowing through a conducter calculate the number of electrons that flows through conductor in 1second
Answers: 1
Physics, 22.06.2019 12:30, ayoismeisjjjjuan
Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?
Answers: 3
Physics, 22.06.2019 16:00, lazavionadams81
At what time will the interfering waves have an amplitudeof zero?
Answers: 1
The gecko is sticking upside down to a smooth ceiling. the remarkable adhesion might be due to stati...
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