The masses and radii of the earth and moon are and respectively. Their centres are distance apart. The minimum velocity with which a particle of mass shoule be projected from a point midway between their centres so that it escapes to infinity is |
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a) |
b) |
c) |
d) |
The masses and radii of the earth and moon are and respectively. Their centres are distance apart. The minimum velocity with which a particle of mass shoule be projected from a point midway between their centres so that it escapes to infinity is |
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a) |
b) |
c) |
d) |
(a) Gravitational potential at mid point Now, mass of particle) So, for projecting particle from mid point to infinity |