## Solution Library

# Calculation of Energy Using MATLAB

**Question**

Perhaps the most famous equation in physics is

*E=mc ^{2}*

Which relates energy E to mass m. The speed of light in a vacuum, c, is the property that links the two together. The speed of light in a vacuum is 2.9979 x 10^{8} m/s.

Create a function called energy to find the energy corresponding to a given mass in kilograms. Your result will be in joules, since 1 kg m^{2}/ s^{2} = 1*J*

b) Use your function to find the energy corresponding to masses from 1 kg to 10^{6} kg. Use the logspace function (consult help logspace) to create an appropriate mass

vector.

c) Create a plot of your results. Try using different logarithmic plotting approaches (e.g., semilogy, semilogx, and loglog) to determine the best way to graph your results

**Summary**

This question belongs to MATLAB software and discusses about application of MATLAB to energy equation in physics and to find out energy corresponding to given mass.

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