Numerical MCQs
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- 1.
Escape velocity from a planet with g = 20 m/s^2 and R = 3200 km is:
- 2.
If a satellite at radius R has period T_0, a satellite at radius 2R has period:
- 3.
The orbital speed at height R above the surface (R = Earth's radius) is:
- 4.
The gravitational force between two 1000 kg masses 1 m apart is:
- 5.
At height 3200 km (R = 6400 km), g is approximately (g_surface = 9.8 m/s^2):
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