See a solution process below: First, we need to determine how much was left before the man spent 20%. We can rewrite this part of the problem as: 10200 is 80% of what? We are using 80% because …

Why is there a discrepancy between the time it took for modern man to reach its first billion and the time it took for him to reach his 2nd billion? Should the government implement programs to reduce …

Explanation: Velocity of man just prior to landing on the pad #=4.4ms^-1# Momentum of man just prior to landing on the pad #p=mv# #=50xx4.4=220kgms^-1# Final velocity #=0# Change of momentum of …

Jan 16, 2018 · See a solution process below: Note: Assuming the problem is: x = 3sqrt(x) First, square both sides of the equation to eliminate the radical while keeping the equation balanced: x^2 = …

Nuclear energy can be utilized in power plants for large cities, to power navy ships, and as nuclear weapons. Depending on what you mean by "what is the example of nuclear energy?" there are at …

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Explanation: You can factor the common term, #color (red) (x)#, out of the two left terms in the expression:

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It follows from integrating the Schrödinger equation for |\\varphi(x,t)|^{2} = \\varphi(x,t)\\bar{\\varphi}(x,t). Let \\varphi(x,t) be a (normalizable) solution of ...

Therefore, add 3 and take away 3 from the numerator in order to lead to nice cancellation.