Radioactive element americium
The radioactive element americium-241 has a half-life of 432 years. suppose we start with a 50-g mass of americium-241.
How much will be left after 229 years? compute the answer to three significant digits.
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Recall that general solution of the critically damped unforced harmonic oscillator (or mass-spring system) is y(t)=e^(-rt)(k1t+k2) where r, k1 and k2 are constant. Describe that the mass can pass through the equilbrium position of y=0 at most once
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The radioactive element americium-241 has a half-life of 432 years. suppose we start with a 50-g mass of americium-241. How much will be left after 229 years? compute the answer to three significant digits.
If $6,000 is placed in account with annual interest rate of 4%, how long will it take the amount to double if the interest is compounded annualy? Round your answer to two decimal places.
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An investor bought a 6% (coupon rate) bond at 90. Compute the current yield to 2 decimal places?
You're considering refinancing your mortgage. Your current loan is at the 7% with 14 years left and was negotiated one year ago with $2,000 closing costs. The new loan would be 5.5% for 15 years with closing costs of $1,500. Discuss how you would
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