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What is the size of an object located at a distance10 km if it has an angular size A of 2 degrees. and Use hubbles law to determine the distance to a galaxy cluster in megaparsecs with a rescession velocity of 14,200 km/sec.

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The size of objects located at a distance of 10km angular size is determined. Hubble's law to determine the distance to a galaxy cluster is determined.

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1). What is the size of an object located at a distance10 km if it has an angular size A of 2 degrees.
Ans: Size of the object is = ...

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