a light is placed on the ground at a distance of 31 feet from the point at which a javelin will be launced straight up into the air determine the rate of change of the angle of elevation from the light to the javlin when the javelin is at a height of 28 feet and moving upwards at 2 feet per second. The answer I got was 18.7 ft/s and 20.7 ft/s. somehow.

a light is placed on the ground at a distance of 31 feet from the point at which a javelin will be launced straight up into the air determine the rate of change of the angle of elevation from the light to the javlin when the javelin is at a height of 28 feet and moving upwards at 2 feet per second. The answer I got was 18.7 ft/s and 20.7 ft/s. somehow.

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter2: Working With Real Numbers

Section2.3: Rules For Addition

Problem 14P

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