Answered: A ball is thrown at an angle of 45o to…

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A ball is thrown at an angle of 45o to the ground. If the ball lands 90 m away, what was the initial speed of the ball?

Elementary Geometry for College Students

6th Edition

ISBN:9781285195698

Author:Daniel C. Alexander, Geralyn M. Koeberlein

Publisher:Daniel C. Alexander, Geralyn M. Koeberlein

Chapter11: Introduction To Trigonometry

Section11.CT: Test

Problem 12CT

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Concept explainers

Ratios

A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.

Trigonometric Ratios

Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.

Question

A ball is thrown at an angle of 45^o to the ground. If the ball lands 90 m away, what was the initial speed of the ball?

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