Torque is defined as _____.a. mass times velocity
b. force times lever arm
c. momentum times radius
d. force times time E. mass times acceleration

Answer:

Explanation:

MATLAB is a programming language and software platform for numerical computing, data analysis, and visualization. To use MATLAB, you can perform the following steps:

• Start the MATLAB software: To start MATLAB, double-click the MATLAB icon on your computer or launch it from the Start menu.
• Write and run code: To write and run code in MATLAB, you can use the MATLAB command window or create a script or function. In the command window, you can type commands and immediately see the results. In a script or function, you can write a series of commands that are saved in a file and can be run later.
• Plot data: MATLAB provides many functions for plotting and visualizing data, including line plots, scatter plots, histograms, and 3D plots. You can use these functions to visualize and analyze your data.
• Use built-in functions: MATLAB provides many built-in functions for solving mathematical problems, including linear algebra, optimization, and statistics. You can use these functions to perform complex computations and analysis.
• Import and export data: MATLAB provides functions for importing and exporting data from and to various file formats, including CSV, Excel, and MAT-files. You can use these functions to read data from external sources and save results in a format that can be easily shared with others.

These are just a few of the many ways to use MATLAB. Whether you're a beginner or an advanced user, MATLAB provides a wide range of capabilities for numerical computing, data analysis, and visualization.

Example:

Here's a simple example of how to use MATLAB to plot a sine wave:

% Define the x-axis values

x = 0:0.1:10;

% Calculate the sine values

y = sin(x);

% Plot the sine wave

plot(x,y)

% Label the axes

xlabel('x (radians)')

ylabel('sin(x)')

% Add a title to the plot

title('Sine Wave Plot')

This code defines the x-axis values from 0 to 10 with increments of 0.1. It then calculates the sine values for each x value using the sin() function. The plot() function is used to create a line plot of the sine wave, with x values on the x-axis and y values on the y-axis. The xlabel() and ylabel() functions are used to label the x and y axes, respectively, and the title() function is used to add a title to the plot.

This is a very simple example, but it demonstrates the basic steps involved in using MATLAB to plot data. Whether you're working with simple plots or complex computations, MATLAB provides a powerful platform for data analysis and visualization.

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Answer:

b. will be lower if consumers perceive mobile phones to be a necessity.

Explanation:

The price elasticity of demand is described as the percentage variation in the demanded quantity of service or goods divided by the change in the percentage of the price. And henceforth it describes the responsiveness of the demanded quantity to a price change. And now if the mobile phones are thought of as being the necessity then the price will increase as demand will increase, and hence the price elasticity of demand will be lower. And if there is an improvement in the production technology then the price will be lowered, and hence price elasticity of demand will be less as the change in the percentage of the price will be negative. And the exact definition of it as we have described above. Hence, b is correct options.