filter
  • Subject:

    ...

  • Topic:

    ...

How much energy will be necessary for making a body of 500 kg escape from the earth
g=9.8 m/s2, radius of earth=6.4×106m

(a)About 9.8×106J                        (b)About 6.4×108J

(c)About 3.1×1010J                      (d)About 27.4×1012J