Related Questions

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
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
পৃথিবী পৃষ্ঠে একটি ইটের ওজন 81 N. পৃথিবীর অর্ধেক বাসার্ধের সমান উচ্চতায় এবং অর্ধেক বাসার্ধের সমান গভীরতায় ইউটির উপরে পৃথিবীর অভিকর্ষ বলের মান কত হবে?(A brick weighs 81 N on the surface of the earth. What are the earth's gravitational forces act on it at a height of half of the radius of the earth and at a depth of half of the radius of earth, respectively?)
A 36 N and 81 N
B 36 N and 40.5 N
C 36 N and 20.25 N
D 98 and 40.5 N
E 81 N and 81 N
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
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
Organizers of a trade fair projected an increase of 20% in the number of visitors over the previous year, but the number of visitors actually increased by 50% . By what percentage was the actual number of visitors greater than the projected of visitors ?
A 20%
B 25%
C 30%
D 50%
The organizers of a fair projected 25% increase of visitors this year over that of the last year but the actual turnover was 20% less than that of the last year. What percent of projected visitors attended the fair ?
A 25%
B 45%
C 55%
D 64%
The organizers of a fair projected a 25 percent increase in attendance this year over that of last year, but attendance this year actually decreased by 20 percent . what percent of the projected attendance was the actual attendance?
A 45%
B 56%
C 64%
D 75%
The organizers of a fair projected a 25 percent increase in attendance this year over that of last year, but attendance this year actually decreased by 20 percent. What percent of the projected attendance was the actual attendance?
A 45%
B 56%
C 64%
D 75%
The organizers of a fair projected a 25 percent increase in attendance this over that of last year but attendance this year actually decreased by 20 percent. What percent of the projected attendance was the actual attendance ?
A 45%
B 56%
C 64%
D 75%

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