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Svetlanka [38]
3 years ago
9

A student analyzes the data and concludes that one bird flies at a speed of 20 meters per second during a portion of its migrati

on. Select the two types of data that the student needed to form this conclusion
Physics
1 answer:
erastova [34]3 years ago
4 0

Answer:

The answer is "The location of the bird and time interval between pieces of information".

Explanation:

Please find the complete question in the attached file.

The Radar is the instrument used to gather data from birds by researchers. This would be the primary tool to study the flight behavior of migrating birds with the impact of environmental influences including the ecology of migratory movements, from the broad population group for both the distribution of land areas and geomorphology as well as meteorological systems to the shift in the behavior of airlines of particular birds, especially when responding to lead routes.

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4 years ago
A heavy rope, 50 ft long, weighs 0.5 lb/ft and hangs over the edge of a building 120 ft high.
Thepotemich [5.8K]

Answer:

(a) 625 ft lb

(b) 468.75 ft lb

Explanation:

Work=Force* Distance

(a)

Force=wl/2 where w is uniformly distributed load of 0.5 lb/ft and l is the length of the rope

Force=0.5*50/2=12.5

Work=12.5*50=625 ft lb

(b)

Assuming that the weight of the rope is concentrated in two places, half is 12.5 feet down and the other half is 37.5 feet down. The center of mass of the top half is 12.5 feet down. The weight of the top half is 12.5

Work=work on top half + work on bottom half

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