Related Questions

Due to perturbation of the orbit, satellite orbit parameters are frequently updated on measurements carried out by its
A Six ground stations
B Five ground stations
C Four ground stations
D Three ground stations
For interpolation of satellite data used for monitoring dynamic changes that occurs on the earth surface, the most suitable orbit for the satellite is:
A Circular orbit
B Sun-synchronous orbit
C Near polar orbit
D None of these
A satellite goes on moving along its orbit round the earth due to
A Gravitational force
B Centrifugal force
C Centripetal force
D None of these
The Synchronous satellite moves around the Earth from
A East to West
B West to East
C North to South
D South to North
As the height of a satellite orbit gets lower, the speed of the satellite ___________.
A Increases
B Decreases
C Remains the same
D None of the above
The polar orbit scans the whole earth ............. around the earth's poles
A staying
B stayed
C stays
D none
If Bashar can run around a ground four times in 20 minutes and Rahim can run around the same ground three times in 12 minutes, who can run around that ground more times in an hour, and how many times more can he run around ?
A Bashar, three times more
B Rahim , three times more
C They both go around 12 times
D Bashar, eight times more
Each of the following problem has a question and two statements which are labeled 1. and. Use the data given in 1. and 2. to decide whether the statements are sufficient to answer the question.Select one of the following . a.Statements (1) ALONE is sufficient,but (2) ALONE is not sufficient. b.Statements (2) ALONE is sufficient,but (1) ALONE is not sufficient. c. Both statement TOGETHER are sufficient but statement alone is sufficient . A fly crawls around the outside of a circle once.A second fly crawls around the outside of a square once.Which fly travels further ? (1) The diagonal of the square is equal to the diagonal of the circle.(2) The fly crawling around the circle took more time to complete has journey than the fly cawing around the square.
A A
B B
C C
D D
Two circular dials of exactly the same size are mounted on a wall side by side in such a way that their perimeters touch at one point. Dial 1, which is on the left , spins clockwise around its center , and dial 2 , which is on the right spins counter clockwise around its center . (Assume that there is no friction at the point of contact between the dials.) Each dial is marked on its perimeter at three points that are at equale distances around the points arked ondial 1 are N, O, and P and the points marked on dial 2 are X, Y, and Z. If points O and Z are just meeting at the point of contact between the dials , and if dial 1 spins at the same speed as dial 2, what is the smallest number of revolutions of each dial that will bring O and Z together again?
A 1
B 2
C 3
D 4
The gravitational force makes a satellite go round the earth in a circular orbit, if it is projected with an initial velocity of
A 8.04 km/sec at a height of 285 km
B 11.11 km/sec at a height of 37,400 km
C 11.26 km/sec, the satellite escapes the pull of the earth
D All the above

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