Answer:
A practical siphon, operating at typical atmospheric pressures and tube heights, works because gravity pulling down on the taller column of liquid leaves reduced pressure at the top of the siphon (formally, hydrostatic pressure when the liquid is not moving).
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Answer:
The resistance is 8.7 ohm.
Explanation:
Voltage, V = 110 V
mass, m = 1 kg
change in temperature, T = 100 - 20 = 80 C
time, t = 4 min = 4 x 60 = 240 s
specific heat, c = 4184 J/kg C
let the resistance is R.
The heat generated by the heater is used to the heat the water.
An EM wave with a frequency of 10 7 Hz would be classified as infrared because of the frequency of 10 7 Hz
Direct evidence is evidence heard from a witness about the subject in question. For instance, if there is a terrorist attack carried out by an independent person, the people close to them could supply crucial evidence, such as if they were acting weirdly in the past month. Hope this helped!