Physics, 24.02.2021 17:10 tamyrareaves12
un campesino y su perro regresan una tarde de a su cabaña, distante a 1 km de su lugar de trabajo. si el perro corre a una velocidad igual al doble de la del campesino, y va y vuelve entre este y la cabaña, una y otra vez, ¿cual es la distancia total recorrida por e perro mientras el campesino regresa a su cabaña?
Answers: 2
Physics, 22.06.2019 12:30
Consider a hydrogen atom in the ground state. what is the energy of its electron? =e= jj now consider an excited‑state hydrogen atom. what is the energy of the electron in the =5n=5 level? =e5= j
Answers: 3
Physics, 22.06.2019 14:30
An electromagnet is a device in which moving electric chargers in a coil of wire create a magnet.whats one advantage of using electromagnetic in devices
Answers: 1
Physics, 22.06.2019 19:50
State the below theories and give the name of the writer of the theory 1. wave theory 2. quantum theory 3. corpuscular theory 4. electromagnetic theory
Answers: 1
Physics, 23.06.2019 06:00
The frequency of a tuning fork can be found by the method shown. a long tube open at both ends is submerged in a beaker of water, and the vibrating tuning fork is placed near the top of the tube. the length l of the air column is adjusted by moving the tube vertically. the sound waves generated by the fork are reinforced when the length of the air column corresponds to one of the resonant frequencies of the tube. the smallest value for l for which a peak occurs in sound intensity is 7 cm. l what is the frequency of the tuning fork? the speed of sound in air is 345 m/s. answer in units of hz
Answers: 2
un campesino y su perro regresan una tarde de a su cabaña, distante a 1 km de su lugar de trabajo. s...
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