A particle falls towards earth from infinity. Its velocity on reaching the earth

A particle falls towards earth from infinity. Its velocity on reaching the earth would be

Options

(a) infinity
(b) √(2gR)
(c) 2 √(Rg)
(d) zero

Correct Answer:

√(2gR)

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

View Comments (1)

  • Velocity will be equal to the escape velocity from Earth i,e root over of 2gR

Related Questions

  1. The net electric force on a charge of +3μC at the mid-point on the line joining two
  2. When a biconvex lens of glass having refractive index 1.47 is dipped in a liquid
  3. If two vectors are equal in magnitude and their resultant is also equal in magnitude
  4. An electron moving in a uniform magnetic field of induction of intensity B,
  5. An unpolarised beam of intensity I is incident on a pair of nicols making an angle