Fundamental and Derived Quantities
This lesson covers the definitions of fundamental and derived quantities in physics. It explains how fundamental quantities serve as the base for deriving other quantities and the importance of measurement in physical science.
- 00:00 “Hello, my name is Tijani Musa Alad-Bukho, I'm your Physiist teacher. The topic before us today is fundamental and derived quantities. At the end of the lesson, students should be able to differentiate between fundamental...”
- 06:20 “The life quantity, the era in a Zostibu number of the life quantity. For the scope of this study, we will be limited to some importance, the life quantity. What I'm saying in essence is that there is no textbook in the w...”
- 25:24 “So the last one is in terms of units, the unit of mass is kilogram and that of weight is newton. Evaluation, divine, fundamental and the life quantity in your own language to the best of your knowledge. So explaining tha...”
Trigonometric Ratios
This lesson covers the identification of sine, cosine, and tangent of an acute angle. It explains how to apply these trigonometric ratios to solve problems involving distances and lengths in right-angled triangles. The relationship between the sides and angles of triangles is also discussed.
- 12:39 “aspect of the evolution. After solving those two, we do the individual evolution where you expected to rule apply. Now a person standing at a point A, this, a sign at a point A, and looking up at a satellite dish at the...”
- 07:32 “stands at point A. Looking at a bed sitting at the top of a tree at point B. Stand at point A, looking at the bed sitting at the top of the tree at point B. The height of the tree is S m. Point A is 7.14 m away from the...”
- 10:10 “I have what's my tan. I would just simply say my tan 35 degree. My tan 35 degree from this. My tan 35 degree would just simply give me 35 degree would give me what's my BC. My BC is what? X from the diagram. My BC is X....”
Cost of Production
This lesson covers the concept of cost in economics, focusing on the cost of production. It explains different types of costs, such as fixed and variable costs, and discusses the factors of production that contribute to overall costs.
- 22:42 “a, b, c, d, a, and f towards, to high, so we need towards, we need to get the missing figure, how do they get this missing figure, a, b, c towards, to i, how do you calculate it, so without wasting time, let's go to the...”
- 25:58 “okay, over changing quantity, anything marginal, the first line is always dash, you can see, here, for the first unit is dash, so you start from the second one, very easy, even without capital it or you can do this, just...”
- 21:52 “to be, you see, marginal cost is change in total cost, divided by words, change in quantity, when we get to illustration, you will see exactly how we calculate this word, marginal and words, and change in quantity, are w...”