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Earth's equatorial radius is 6378 km. A spacecraft is in circularorbit 300 km above the equator.Part AIf the spacecraft orbits every 90.5 minutes, what's its speed?Express your answer with the appropriate units.HA?ValueUnitsSubmitRequest Answer

Question
Earth's equatorial radius is 6378 km. A spacecraft is in circular
orbit 300 km above the equator.
Part A
If the spacecraft orbits every 90.5 minutes, what's its speed?
Express your answer with the appropriate units.
HA
?
Value
Units
Submit
Request Answer
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Earth's equatorial radius is 6378 km. A spacecraft is in circular orbit 300 km above the equator. Part A If the spacecraft orbits every 90.5 minutes, what's its speed? Express your answer with the appropriate units. HA ? Value Units Submit Request Answer

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Step 1

The speed of the spa...

2x(r+h)
T
2(6378x10+300x10')
(90.5)(60)
=7727.27 m/s
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2x(r+h) T 2(6378x10+300x10') (90.5)(60) =7727.27 m/s

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