Elementary particles concepts
Write down any two elementary particles that have nearly infinite life time?
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The two elementary particles that have nearly infinite life time are: Electron and proton.
Does water drain contradict clockwise in the northern hemisphere and clockwise in the southern hemi-sphere? Briefly explain it.
Lagrange points: The points in the vicinity of two massive bodies (like the Earth and Moon) with each others' relevant gravities balance. There are five, labeled L1 via L5. L1, L2, and L3 lie all along the centerline among the centers
Describe when the intermolecular forces are strongest? Briefly state it.
What is main difference between secondary electron image and the back scattered electron image? State briefly.
Write a short note on the features or characteristics of dead stars?
I need well-explained answers on the questions in attached documents
What do you mean by the term positron? Explain in short.
What do you mean by the term neuro-modulators? Briefly define it.
Assuming that ground stations are equally distributed on the Earth, how many ground stations are required to maintain constant contact with a spacecraft at 750 km altitude, and 72 degrees inclination?
Mach's principle (E. Mach; c. 1870): The inertia of any specific particle or particles of matter is attributable to the interaction among that piece of matter and the rest of the world. Therefore, a body in isolation would contain no inertia.
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