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This lesson focuses on the concept of indefinite integrals as antiderivatives, exploring key examples including the calculation of displacement and distance traveled by a particle from its velocity function. We discuss the Total Change Theorem, illustrating how the integral of a rate of change corresponds to total change. An example demonstrates evaluating the displacement over a time interval, and additional examples help consolidate understanding of these concepts. Homework problems are provided for further practice to deepen learning.
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The Total Change Theorem: The integral of a rate of change is the total change.
Ex 3: A particle moves along a line so that its velocity at time x is (m/sec). a) Find the displacement from x = 0 to 2 seconds.
Displacement: Total Change in Position Distance:
Ex 3: A particle moves along a line so that its velocity at time x is (m/sec). b) Find the distance traveled during this time period.