Brittanica Mathematics in Context Looking at an Angle: by Encycbrita

By Encycbrita

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Extra info for Brittanica Mathematics in Context Looking at an Angle: Geometry and Measurement

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A. If the glider in the picture is launched from a height of 5 m, how far will the glider fly before landing? b. How far will the glider fly from a 10-m cliff? c. Compare the distances covered by Marianne’s two hang gliders and this model glider. If all three are launched from 10 m, which one flies the farthest? Explain. Glide Ratio To determine which hang glider travels farther, you can consider the glide ratio. Marianne’s first glider flew 40 m from a 10-m cliff. This glider has a glide ratio of 1:4 (one to four).

A. What do you think a glide ratio of 5% means? b. What is the glide angle for this glider?

A. 1: 1 b. 1: 2 d. 1: 10 e. 1: 20 c. 1: 4 Section D: Glide Angles 35 D Glide Angles In Section C when you studied ladders at different angles, you made a table similar to the one below, showing the angle between the ladder and the ground and the ratio of the height to the distance. 7 2 distance (d ) height (h) You can organize your information about the steepness of the glide path of a hang glider with a similar table. The angle that the hang glider makes with the ground as it descends is called a glide angle.

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