Q)
(chatquestion)...82.
required to place the lab in the first orbit and to shift the lab
(3
another circular orbit of radius 3R. The minimum energy
SUFface of 1
Tudlus 2R (from the centre of
md tHen it is shifted from this circular orbit to
from first orbit to the second orbit are:
a.
3
mgR
mgR,
6.
3
(2) mgR,
4
12
(3) mgR, mgR
(4) 2mgR, mgR
An object weighs 10N at the north pole of the earth. In a
geostationary satellite distant 7R from the centre of the earth
(of radius R), the true weight and the apparent weight are::
74.
83
(1) ON, ON
(2) 0.2N, 0
(3) 0.2N, 9.8N
(4) 0.2N, 0.2N
There are two planets and the ratio of radius of the two!
planets is K but ratio of acceleration due to gravity of both
planets is g. What will be the ratio of their escape velocity?
(2) (kg) 12
(4) (kg) 2
75.
-1/2
(1) (kg) 2
(3) (kg)?
...
