Physics, 05.04.2021 21:40 haileesprague575
Se deja caer un cuerpo de 2 kg de masa, desde una altura de 60 metros. Despreciando los rozamientos con el aire. ¿Qué velocidad lleva a una altura de 50 m? ¿Qué velocidad lleva a una altura de 40 m? ¿Con qué velocidad impacta con el suelo?
Answers: 3
Physics, 22.06.2019 06:20
Part 1: a magnetic levitation or maglev train rides rails without touching them. explain how this works using your data. include the appropriate magnet drawing in your answer. part 2: two objects are near a bar magnet. one is about 1 cm away, while the other is 6 cm away. compare and contrast the magnetic force that affects each object. use your data to answer the question
Answers: 1
Physics, 22.06.2019 12:30
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 13:40
Consider a double atwood machine constructed as follows: a mass 4m is suspended from a string that passes over a massless pulley on frictionless bearings. the other end of this string supports a second similar pulley, over which passes a second string supporting a mass of 3m at one end and m at the other. using two suitable generalized coordinates, set up the lagrangian and use the lagrange equations to find the acceleration of the mass 4m when the system is released. explain why the top pulley rotates even though it carries equal weights on each side.
Answers: 2
Physics, 22.06.2019 14:20
The energy released by a nuclear fusion reaction is produced when
Answers: 1
Se deja caer un cuerpo de 2 kg de masa, desde una altura de 60 metros. Despreciando los rozamientos...
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