JEE Mains 2026 - 21/1/2026-S1 | Satellite Orbital Mechanics | Complete Solution

Complete solution to from JEE Mains 2026 (21st January 2026 - Shift 1) Physics Paper.
📌 Topic: Gravitation | Satellite Orbital Mechanics
❓ Question: A satellite of 100 kg is in a circular orbit of radius 1.5Rₑ. This satellite can be moved to a circular orbit of radius 3Rₑ by supplying α×10⁸ J of energy. Find the value of α.
(Given: Radius of Earth Rₑ = 6×10⁶ m and g = 10 m/s²)
✅ Solution Includes:

Orbital energy formula derivation
Initial and final orbital energy calculation
Energy required for orbit transfer
Step-by-step numerical solution
Correct answer: α value determination

🎯 Perfect for:

JEE Mains 2026 aspirants
Gravitation chapter revision
Satellite mechanics practice
Orbital energy problems

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