Physics, 26.06.2020 15:01 greend0719
Se fabrica un termómetro utilizando un par termoeléctrico y se verifica que el voltímetro indica 0,4V cuando la temperatura es de 0°C y 2,4V cuando es de 100°C. Suponiendo que el cambio en la tensión eléctrica es directamente proporcional al cambio en la temperatura, calcular cuánto indicará el voltímetro a una temperatura de 40°C.
Answers: 2
Physics, 22.06.2019 09:10
Which lists the organs in the correct order as food passes from the mouth to anus?
Answers: 1
Physics, 22.06.2019 09:30
On a day when the barometer reads 75.23 cm, a reaction vessel holds 250 ml of ideal gas at 20 celsius. an oil manometer ( ρ= 810 kg/m^3) reads the pressure in the vessel to be 41 cm of oil and below atmospheric pressure. what volume will the gas occupy under s.t.p.?
Answers: 2
Physics, 22.06.2019 11:20
The ultracentrifuge is an important tool for separating and analyzing proteins. because of the enormous centripetal accelerations, the centrifuge must be carefully balanced, with each sample matched by a sample of identical mass on the opposite side. any difference in the masses of opposing samples creates a net force on the shaft of the rotor, potentially leading to a catastrophic failure of the apparatus. suppose a scientist makes a slight error in sample preparation and one sample has a mass 10 mg larger than the opposing sample. if the samples are 12 cm from the axis of the rotor and the ultracentrifuge spins at 70,000 rpm, what is the magnitude of the net force on the rotor due to the unbalanced samples? ( be thorough on your answer)
Answers: 3
Se fabrica un termómetro utilizando un par termoeléctrico y se verifica que el voltímetro indica 0,4...
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