Learners read an explanation of the RL time constant and examine the formula for calculating the instantaneous current value. The current is graphed as it climbs to maximum or drops to zero. Note* In the formulas in this module, the Greek letter epsilon should be the mathematical constant 'e'.
In this module, we’ll explore what an affinity diagram is, discuss how it can be used to solve problems, and end with some real-world applications to show you how these can help you in any manufacturing role to bring order to chaos.
Students explore the history of U.S. Constitutional amendments and the process involved in adding an amendment. In an interactive exercise, learners author their own amendments and explain why these should be added to the Constitution.
An Algebraic Word Problem Involving Motion: Case 2
In this animated object, learners use an algebraic formula to solve the following problem: An airplane travels a certain distance with the wind in the same amount of time that it takes to travel a shorter distance against the wind. Given a constant wind speed, what is the speed of the plane without a wind?
In this interactive object, learners review descriptions of various blood collection tube additives. They then test their knowledge by matching the different tubes to their corresponding additives.
Learners examine OSHA's guidelines of what to include in a bloodborne pathogen exposure control plan for persons who work in general industry, health care, emergency medical services, law enforcement, education, recreation industries, or other occupations in which there is a potential for exposure to blood, blood products, bodily fluids, or human tissues.
Learners read an extensive explanation of the types of budgets most frequently used by farm operators, whole farm, partial, and enterprise, and complete a brief quiz to test their knowledge. Farm financial standards and ratio calculations are provided. Exercises complete the activity.
Students read about the use of business cards in various countries and the customs that Americans should follow when presenting a card in those parts of the world.
Buying a Car: What It Really Costs with Finance Charges (Screencast)
In this learning activity you'll calculate the difference in the total cost of a new car when using cash and when paying for the car with a 60-month loan.
This video illustrates what can happen in a court room when chain-of-custody procedures for collecting evidence are either ignored or not carried out properly.
Learners explore the use of complex numbers through a series AC circuit analysis problem. The steps are compared to the graphical method of finding circuit impedance and the phase angle.