Find the velocity of the electron
An electron rotates in a circula orbit about a heavy fixed proton. the radius of the orbit is 10^-8 cm. Find the velocity of the electron.
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For your science fair project you need to design a diffraction grating that will disperse the visible spectrum (400-700 nm) over 30 degrees in first order.
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Research and define environmental responsibility. Explain why it is important to plan for children to learn about the environment and become environmentally
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