(Amplitude)at time=t = (Max) x cos[ (2 pi x frequency) + (phase angle) ] x e-time/time constant
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The answer is....... 1. read the problem 2. determine the unknowns and represent them 3. write an equation 4. solve the equation 5. answer the question
Dan and Emma have $20 and they buy 2 pack of pen how much do they have now
23 + 41 Hope this helps
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The equation of uncertainty principle is ΔxΔp≥ℏ.