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, K. E, must the electrons have in order to resolve a protein molecule that is 4.50 nm in diameter? Take the mass of an electron to be 9.11×10^(−31) kg.
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Physics, 22.06.2019 10:30
Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?
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Physics, 22.06.2019 16:30
Each neuron shown in this figure innervates a group of muscle fibers. what is the term for a group of muscle fibers innervated by a single neuron?
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Physics, 22.06.2019 22:30
Compare the patterns of the two waves shown in the image. which statement is true about these waves?
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To resolve an object in an electron microscope, the wavelength of the electrons must be close to the...
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