If suppose moon is suddenly stopped & then released then acceleration of moon just before striking the earth's surface.radius of moon-1/4th the radius of earth.acceleration of moon with respect 2 earth is 0.0027m/sq sec.
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Force on moon = G M m / D²
m = mass of moon Me is mass of earth D = distance between centers
Re = radius of earth Rm = radius of moon
Acceleration (instantaneous) of moon just before striking earth :
A = G Me / (Re + Rm)² = 16 G Me / 25 R²e
g = 9.8 m /sec² = G Me / R²e
A = 16/25 * g = 6.272 m /sec²
m = mass of moon Me is mass of earth D = distance between centers
Re = radius of earth Rm = radius of moon
Acceleration (instantaneous) of moon just before striking earth :
A = G Me / (Re + Rm)² = 16 G Me / 25 R²e
g = 9.8 m /sec² = G Me / R²e
A = 16/25 * g = 6.272 m /sec²
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