An airplane is flying west at 500 ft/sec at a constant altitude of 4000 ft and a searchlight on the ground lies directly under the path of the plane. If the light is to be kept on the plane, how fast is the searchlight revolving when the airline distance of the plane from the searchlight is 2000 ft due east?

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter4: Motion In Two And Three Dimensions
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An airplane is flying west at 500 ft/sec at a constant altitude of 4000 ft and a searchlight on the ground lies directly under the path of the plane. If the light is to be kept on the plane, how fast is the searchlight revolving when the airline distance of the plane from the searchlight is 2000 ft due east?

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