Physics, 11.03.2020 23:59 rubincain203
To resolve an object in an electron microscope, the wavelength of the electrons must be close to the diameter of the object. What kinetic energy, E k , must the electrons have in order to resolve a protein molecule that is 2.70 nm in diameter? Take the mass of an electron to be 9.11 × 10 − 31 kg .
Answers: 3
Physics, 21.06.2019 20:50, lokiliddel
An airplane flies eastward and always accelerates at a constant rate. at one position along its path it has a velocity of 34.3 m/s, it then flies a further distance of 40100 m and afterwards its velocity is 47.5 m/s. find the airplane\'s acceleration and calculate how much time elapses while the airplane covers those 40100 m.
Answers: 1
Physics, 21.06.2019 21:30, Nibiskadhungana
According to social exchange theory, altruistic behaviors benefit the individual who performs them. t/f
Answers: 1
To resolve an object in an electron microscope, the wavelength of the electrons must be close to the...
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