yxgao
Nov30-03, 01:54 PM
Black Holes Gre.67
67. A black hole is an object whose gravitational field is so strong that even light cannot escape. To what approximate radius would Earth (mass = 5.98 x 10^24
kilograms) have to be compressed in order to become a black hole?
a. 1 nm
b. 1 microm
c. 1 cm
d. 100 m
e. 10 km
the answer is C.
67. A black hole is an object whose gravitational field is so strong that even light cannot escape. To what approximate radius would Earth (mass = 5.98 x 10^24
kilograms) have to be compressed in order to become a black hole?
a. 1 nm
b. 1 microm
c. 1 cm
d. 100 m
e. 10 km
the answer is C.