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Lokesh kumar Grade: 6
        
The masses and radii of the Earth and the Moon are M1, R1 and M2, R2 respectively. Their center are at a distance d apart. The minimum speed  with which a particle of mass m should be projected from a point midway between the two centres so as to escape to infinity is ……… ?
3 years ago

Answers : (1)

Deepak Patra
askIITians Faculty
474 Points
										

Increase in P.E. of system

= {(P.E.) – (P.E.)f}

= - {[- GM1 M2/d – GM1m/ d/2 – GM2m/D/2] - [ GM1M2/d]}

= Gm/d/2 (M1 + M2)
3 years ago
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