Physics for Scientists & Engineers, 3rd Edition. Giancoli Chapter 2 // Describing Motion: Kinematics in One Direction Problem 1: A bird can fly 15 km/h. How long does it take to fly 75 km? Problem 2: What must your car’s average speed be in order to travel 280 km in 3.2h? Problem 3: If you…
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Significant Figures
What are Significant Figures? Significant figures are the number of known digits that can be provided reliably. The number of significant figures can provide a means of understanding the level of precision for a given result. The level of precision is determined by the starting values provided, ie known values, at the beginning of a…
What is a point?
A point is the most fundamental concept and mathematical object in geometry. Just because it is fundamental, doesn’t mean it exists without depth. A point represents a location. It can be 1-dimensional, 2-dimensional or 3-dimensional. In fact, a point can have however many dimensions it needs.
