Physics – 6.1.1 The Earth | e-Consult
6.1.1 The Earth (1 questions)
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Solution:
Given:
- r = 4000 km = 4.0 x 106 m
- T = 90 minutes = 90 x 60 seconds = 5400 seconds
Formula: v = 2πr / T
Calculation:
v = (2 x π x 4.0 x 106 m) / 5400 s
v ≈ 586 m/s
Answer: The average orbital speed of the satellite is approximately 586 m/s.