Question

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Answer 1

Answer:

An artificial satellite is moving in a circular orbit of radius 42240 km. Calculate its speed if it takes 24 hours to revolve around the earth.

Answer 2

Answer:

Laboratory thermometers are devices used to measure temperature. ... A laboratory thermometer can be used for a number of scientific applications and can be found across nearly all laboratories especially in pharmaceutical, environmental, food, and petroleum testing.

mark the first answer as brainliest.