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physicsernaw
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Homework Statement
∫0-->x |t|dt
Homework Equations
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The Attempt at a Solution
1/2*x^2 for x>= 0
1/2*(-x)^2 for x<= 0
Not sure what to do to be honest. (the answer in the back of the book says 1/2*x|x|).
physicsernaw said:1/2*(-x)^2 for x<= 0
The absolute value integral is a mathematical concept used to determine the area under a curve on a graph. It is similar to a regular integral, but instead of calculating the net area above and below the x-axis, it calculates the total area regardless of the sign of the function.
The main difference between the absolute value integral and a regular integral is that the absolute value integral takes into account both positive and negative areas, while a regular integral only considers the net area above or below the x-axis. This makes the absolute value integral useful for finding the total distance traveled or the total change in a quantity over a given time period.
The formula for calculating the absolute value integral is similar to the formula for a regular integral, but with the absolute value of the function being integrated. It can be written as:
∫|f(x)| dx = ∫f(x) dx, where f(x) is the function being integrated and dx represents the infinitesimal change in x.
The absolute value integral has many practical applications in various fields such as physics, economics, and engineering. It can be used to calculate the total displacement or velocity of an object, the total profit or loss in a business, and the total work done by a force.
No, the absolute value integral cannot be negative. Since it calculates the total area, it will always result in a positive value or zero. This is because the absolute value of any number is always positive.