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1. The monthly repayment A on a loan of P is given by the formula
A = P[i/(1-(1+i)-n)]
Plot A as a function of i, the monthly interest rate, using the range 0 ≤ i ≤ 0.02. Show three different curves on the same axes for n=12, 36, and 60 months. The starting loan amount P is $5000. Make the plot look professional.
2. The resistances (Q) of five different lengths and two different diameters of metallic electrical wire have been measured and are shown on the next page. Plot the resistances as a function of length and add the linear trendlines for each.
3. Four gold mines in a mountainous region have been in continuous operation for five years. The output is measured in tons, and it has been declining each year in each mine. The data are shown on the next page in the table. Plot the results and find the power trendlines with equations for each mine. Make the plot look professional, and be careful to enter the year data exactly as listed in the table. Estimate the output in each mine after ten years.
Find the constants A and B in the equation R = R0 (1 + At + Bt2 ) And plot R against t in the range 0 to 660°C.
Identify three things that could be significantly improved in the sand mold design if our intent was to produce screwdriver handles commercially. Explain what would be improved for each thing you identify.
a 500 mw electric station utilizes a rankine cycle power plant with superheat. the steam temperature and pressure at
The yield stress for mild steel is 207 MPa. A specimen has a diameter of 0.01 m and a length of 0.10 m. It is loaded in tension to 1000 N and deflects 6.077 x 10^-6 m.
a particle travels along the path y2 4x with a constant speed of v 4ms. determine the x and y components of the
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an evacuated 150 l tank is connected to a line flowing air at room temperature 25 degrees c and 8 mpa pressure. the
a 85.2-kg vertically-falling skydiver experiences an upward force of air resistance of 1340 n. determine the
a 120 kg satellite has a radius of gyration of 600 mm with respect to the y axis and is symmetrical with respect to the
determine the fourier series for the period t of the function described byy t 4at t a for -t2 less than
at 25 degree centegrade an aqueous solution containing 35.0 wt h2so4 has a specific gravity of 1.2563. a quantity of
a steel disc 300 mm diameter of mass 29kg is suspended from the end of a wire 2.5 mm diameter and 1.5 m long which is
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