A satellite is in a circular orbit 600 km above the Earth's surface. The acceleration of gravity is 8.21 m/s2 at this altitude. The radius of the Earth is 6 400 km. Determine the speed of the satellite, and the time to complete one orbit around the Earth
7 580 m/s, 5 800 s
Physics & Space Science
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Answer the following statement true (T) or false (F)
Physics & Space Science
In alpha decay, the difference in the atomic
number (Z) between the parent nucleus and the daughter nucleus is a) 1 b) 2 c) 3 d) 4 •
Physics & Space Science
A steel cable spanning a river is 200.000 m long when the temperature is 20.°C. What will be its length when the temperature drops to 0°C? (The coefficient of thermal expansion of steel is 12. × 10-6K-1.)
What will be an ideal response?
Physics & Space Science
The density wave theory attempts to explain why the spiral arm structure persists over a long time
Indicate whether the statement is true or false
Physics & Space Science