What is the other name for contour lines?

What is the other name for contour lines? A contour line (also isoline, isopleth, or isarithm) of a function of two variables is a curve along which the function has a constant value, so that the curve joins points of equal value. What are the features of contour lines? Characteristics of Contours Must close on […]

Why is there no friction on ice?

Why is there no friction on ice? One of these theories is that friction causes the liquid layer of water to form on ice. Friction is the force that generates heat whenever two objects slide against each other. If you stand on ice without moving, no friction exists to generate heat, yet the ice is […]

What is topic sentence in English?

What is topic sentence in English? In expository writing, a topic sentence is a sentence that summarizes the main idea of a paragraph. It is usually the first sentence in a paragraph. Also known as a focus sentence, it encapsulates or organizes an entire paragraph. What are the types of topic sentence? Type of Topic […]

What can change wave speed?

What can change wave speed? The speed of a wave is only altered by alterations in the properties of the medium through which it travels. The wavelength of a wave does not affect the speed at which the wave travels. Both Wave C and Wave D travel at the same speed. How is wave speed […]

What is the reciprocal of a period?

What is the reciprocal of a period? The reciprocal of the period, or the frequency f, in oscillations per second, is given by f = 1/T = ω/2π. What is cycle of a wave? A wave is a repeating pattern. It repeats itself in a periodic and regular fashion over both time and space. And […]

Why do things look bigger under water?

Why do things look bigger under water? The index of refraction for water is 1.33. This larger index of refraction for water means that the angle the rays of light reach your eyes is larger in water than the angle would be in the air. This increase in the angle size of light to your […]

What are the 6 stages of the design process?

What are the 6 stages of the design process? Designers tend to use a six-stage process to organize their fact finding and decision making: (1) Empathy, (2) Define, (3) Ideate, (4) Prototype, (5) Test, and (6) Launch. Note, user refers to anyone who is a target of our design work. Empathy: Empathy is the foundation […]

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