Physics, 30.04.2021 22:00 mrhortert9348
A un pedazo de vidrio se le aumenta la temperatura de 25°C a 570°C para poderlo fundir, para
esto se le suministraron 3000J. ¿De qué valor es la masa de dicho pedazo de vidrio?.
El valor especifico del vidrio es: 0.20 cal/g °C
Answers: 3
Physics, 21.06.2019 20:20
Two friends are having a conversation. anna says a satellite in orbit is in freefall because the satellite keeps falling toward earth. tom says a satellite in orbit is not in freefall because the acceleration due to gravity is not 9.80 m/2 . who do you agree with and why?
Answers: 1
Physics, 22.06.2019 06:00
Which of the following changes will result in a stronger electromagnet? a. using fewer coils of wire b. using a higher voltage c. using a shorter nail d. using a longer wire
Answers: 1
Physics, 22.06.2019 13:10
The atoms in a nickel crystal vibrate as harmonic oscillators with an angular frequency of 2.3 × 1013 rad/s. the mass of a nickel atom is 9.75 × 10-26 kg. what is the difference in energy between adjacent vibrational energy levels of nickel? (h = 6.626 × 10-34 j • s, , 1 ev = 1.60 × 10-19 j)
Answers: 2
A un pedazo de vidrio se le aumenta la temperatura de 25°C a 570°C para poderlo fundir, para
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