Derive an expression for the energy needed to launch an object from the surface of earth to a height h above the surface. ignoring earth's rotation, how much energy is needed to get the same object into orbit at height h? express your answer in terms of some or all of the variables h, mass of the object m, mass of earth me, its radius re, and gravitational constant g.
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Which of the following are not typically included in the periodic table? a. atomic mass b. element symbol c. isotopes d. number of electrons
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Iwill give 30 points to whoever answers ! what is the formula for actual mechanical advantage and ideal mechanical advantage?
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Derive an expression for the energy needed to launch an object from the surface of earth to a height...
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