A satellite in vacuum - (1) is kept in orbit by remote control (2) is kept in orbit by retro-rocket (3) derives energy from gravitational fielod (4) does not require any energy for orbiting

1 Answer

Answer :

(4) does not require any energy for orbiting

Related questions

Description : A satellite in vacuum - (1) is kept in orbit by remote control (2) is kept in orbit by retro-rocket (3) derives energy from gravitational fielod (4) does not require any energy for orbiting

Last Answer : (4) does not require any energy for orbiting

Description : Describe how an artificial satellite using two stage rocket is launched in an orbit around the Earth.

Last Answer : Describe how an artificial satellite using two stage rocket is launched in an orbit around the Earth.

Description : he first space rocket brought back to earth after orbiting the moon -Space

Last Answer : Zond-5 is the right answer

Description : A satellite stay in orbit because the following two factors are balanced A. Satellite weight and speed B. Gravitational force and centrifugal force C. Centripetal force and speed D. Satellite weight and the pull of the moon and sun

Last Answer : B. Gravitational force and centrifugal force

Description : The average current due to an electron orbiting the proton in the `n^(th)` Bohr orbit of the hydrogen atom is

Last Answer : The average current due to an electron orbiting the proton in the `n^(th)` Bohr orbit of the hydrogen atom ... `propn^3` C. `propb` D. none of these

Description : Suppose an astronomer discovers a large, spherical-shaped body orbiting the Sun. The body is composed mostly of rock, and there are no other bodies sharing its orbit.What is the best way to categorize this body?

Last Answer : The answer is (planet)

Description : Our weight will be zero under all of the following conditions EXCEPT a.107 dynes b.We are at the centre of the earth c.When we are ascending in a lift with acceleration of 4.9 m/s2 d.We are orbiting in a satellite e.When we are freely faling

Last Answer : c. When we are ascending in a lift with acceleration of 4.9 m/s2

Description : What is critical velocity? Obtain an expression for critical velocity of an orbiting satellite. On what factors does it depend?

Last Answer : What is critical velocity? Obtain an expression for critical velocity of an orbiting satellite. On what factors does it depend?

Description : Why do astronauts in an orbiting satellite have a feeling of weightlessness?

Last Answer : Why do astronauts in an orbiting satellite have a feeling of weightlessness?

Description : Satellite Dishes Provide Orbiting Internet Access?

Last Answer : A satellite dish can make the difference between living inisolation and keeping pace with the rest of the world. By using asatellite dish to connect to the internet, people living ingeographic areas where ... can be considerably faster online thana dial-up telephone connection, and it is as fast o

Description :  Mass of satellite orbiting Earth is A. considered B. irrelevant C. should be infinite D. should be zero

Last Answer : should be infinite

Description : How does rocket thrust work in the vacuum of space?

Last Answer : answer:Lets say that you are floating out in space while holding a bowling ball. If you push the ball away from you then you and the ball will be put into motion in opposite directions. The same ... fires up, it pushed the blast in one direction as the rocket is pushed in the opposite direction.

Description : Which of the following satellite subsystem provides stabilization in orbit and senses changes in orientation? A. Attitude control subsystem B. TTC C. AKM D. Transponder

Last Answer : A. Attitude control subsystem

Description : Why is a minimum two stage rocket necessary for launching of a satellite?

Last Answer : Why is a minimum two stage rocket necessary for launching of a satellite?

Description : __________ space agency has launched a rocket carrying a satellite capable of delivering an artificial meteor shower into the Earth’s atmosphere: (a) Japan (b) USA (c) China (d) None of These

Last Answer : Japan

Description : What does the sun's gravitational pull keep in orbit?

Last Answer : Planets, asteroids, meteors, comets, moons (which are also inorbit around their respective planets), dust particles,interplanetary gas.

Description : The binding energy of a satellite revolving around planet in a circular orbit is 3 × 10^9 J. Its kinetic energy is ______

Last Answer : The binding energy of a satellite revolving around planet in a circular orbit is 3 109 J. Its kinetic energy is ______ ... 10+9 J (D) 3 10+9 J

Description : There are two properties of the cell necessary to maintain nonequilibrium cellular composition; the first is selectivity and the second is energy conversion. Which of the following statement(s ... transported via secondary active transport include hydrogen ions, calcium, amino acids and glucose

Last Answer : Answer: c, d The selectivity of the plasma membrane, although impressive, cannot account for the nonequilibrium composition of living cells. A cell can be maintained in a nonequilibrium state only by ... to drive the transport of a second species such as protons, calcium, amino acids, or glucose

Description : Two bodies kept at a certain distance feel a gravitational force F to each other. If the distance between them is made double the former distance, the force will be - (1) 2F (2) F/2 (3) 4F (4) F/4

Last Answer : (4) F/4

Description : Two bodies kept at a certain distance feel a gravitational force F to each other. If the distance between them is made double the former distance, the force will be 

Last Answer : 1F/4

Description : A satellite orbits the earth 200 km above the surface. What speed, in m/s, is necessary for a circular orbit? The radius of the earth is 6400 km and g = 9.2 m/s2 a.7200 b.6600 c.7800 d.6000 e.107 dynes

Last Answer : c. 7800

Description : The satellite moves in a circle around the earth. The radius of this circle is equal to one-half the radius of the moons orbit. The satellite will complete one revolution in a.1 lunar month b.2-3/4 lunar month c.2-2/3 lunar month d.None of the above e.

Last Answer : e. None of the above

Description : An artificial satellite is moving in a circular orbit of radius 42.250 km (approx). Calculate its linear velocity if takes 24 hour to revolve around earth.? -Science

Last Answer : Given r =42.250 km , T= 24 hour Linear velocity in circular motion is given by v=2πrT=2×3.14×42.25024=11.05km/hrv=2πrT=2×3.14×42.25024=11.05km/hr

Description : Which was the first India satellite to go into orbit? -Do You Know?

Last Answer : answer:

Description : How often does an artificial satellite that seems to be stationary from the earth orbit the earth once ?

Last Answer : An artificial satellite that seems to be stationary from the earth orbits the earth once in 24 hours.

Description : A satellite of mass m orbits the earth in an elliptical orbit having aphelion distance `r_(a)` and perihelion distance `r_(p)`. The period of the orbi

Last Answer : A satellite of mass m orbits the earth in an elliptical orbit having aphelion distance `r_(a)` and perihelion distance ... r_(p)) sqrt(r_(a)r_(p)))/T`

Description : Calculate the speed of a satellite in an orbit at a height of 1000 km from the Earth’s surface.

Last Answer : Calculate the speed of a satellite in an orbit at a height of 1000 km from the Earth’s surface. ME = 5.98 × 1024 kg, R = 6.4 × 106 m.

Description : Which was the first satellite of India, go into the orbit?

Last Answer : Aryabhatta

Description : An artificial satellite stays in the orbit around the Earth because (a) The Earth's gravity does not act on the satellite due to the great distance between them (b) The Earth's attraction ... (d) There is an engine in the satellite that constantly applies an upward force to balance its weight

Last Answer : Ans:(b)

Description : The first satellite launched for a geosynchronous orbit but unfortunately lost during orbit injection A. Syncom I B. Telstar I C. Sputnik I D. Early Bird I

Last Answer : A. Syncom I

Description : Refers to the satellite orientation with respect to the earth A. Satellite altitude B. Satellite position C. Satellite location D. Satellite orbit

Last Answer : A. Satellite altitude

Description : When the satellite are spaced 4˚ of the 360˚ complete circle, how many parking spaces or orbit slots are available? A. 90 B. 85 C. 95 D. 80

Last Answer : A. 90

Description : incidentally propose the geostationary scheme or orbit of the satellite in 1940s A. Arthur Clarke B. Carl Friedrich Gauss C. Samuel Morse D. Stephen Gray

Last Answer : A. Arthur Clarke

Description : The jet thrusters are usually fired to A. maintain altitude B. put the satellite into the transfer orbit C. inject the satellite in the geosynchronous orbit D. bring the satellite back to earth.

Last Answer : A. maintain altitude

Description : What is the height of a satellite in a synchronous equatorial orbit? A. 42000 mi B. 6800 mi C. 22,300 mi D. 35,860 mi

Last Answer : C. 22,300 mi

Description : 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

Last Answer : A. increases

Description : The speed of the satellite increases as its height in orbit gets A. lower B. higher C. closer to the moon D. closer to the sun

Last Answer : A. lower

Description : What is the orbit height of a GPS satellite? A. 10,898 nmi B. 10,898 mi C. 10,898 km D. 10, 898 m

Last Answer : A. 10,898 nmi

Description : What is the orbit of Motorola’s Iridium satellite system? A. Polar B. Equatorial C. Inclined elliptical D. Inclined equatorial

Last Answer : A. Polar

Description : ECE Board Exam March 1996 It is a spacecraft placed in orbit around the earth carrying onboard microwave receiver and transmitting equipments. A. Fiber optic equipment B. Communications satellite C. Wireless radio system D. Coaxial cable syste

Last Answer : B. Communications satellite

Description : ECE Board Exam March 1996 The point on the satellite orbit, closest to the earth is A. prograde B. perigee C. zenith D. apogee

Last Answer : B. perigee

Description : Consider the following statements regarding the satellite imaging: 1. The satellite orbit is fixed in the inertial space 2. During successive across-track imaging, the earth rotates beneath the sensor 3. The satellite images a skewed area ... ? (A) 1, 2, 3 (B) 1, 3 (C) 2, 3 (D) 1, 2

Last Answer : Answer: Option A

Description : 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

Last Answer : Answer: Option B

Description : 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

Last Answer : Answer: Option B

Description : Which was the first India satellite to go into orbit?

Last Answer : Aryabhatta

Description : A satellite in a synchronous orbit can cover how much of the surface of the earth?

Last Answer : Approximately one-half.

Description : A satellite travels at a constant speed in a circular orbit. The acceleration of the satellite is w) zero x) toward the center of the orbit y) away from the center of the orbit z) at a tangent to the orbit

Last Answer : ANSWER: X -- TOWARD THE CENTER OF THE ORBIT

Description : A satellite of mass "M" is in orbit around the earth. If a second satellite of mass "2M" is to be placed in the same orbit, the second satellite must have a velocity which is: w) half ... first satellite y) twice the velocity of the first satellite z) four times the velocity of the first satellite

Last Answer : ANSWER: X -- THE SAME AS THE VELOCITY OF THE FIRST SATELLITE 

Description : Define geo-stationary orbit and the geo-stationary satellite.

Last Answer : Geostationary Orbit: A geostationary orbit, geostationary Earth orbit is a circular geosynchronous orbit 35,786 kilometers (22,236 mi) above the Earth's equator. Geostationary satellite: A geostationary ... such a satellite appears nearly stationary in the sky as seen by a ground-based observer

Description : Which is the latest satellite of India placed in the geosynchronous orbit ? (1) INSAT-2D (2) INSAT-3A (3) INSAT-4A (4) Kalpana

Last Answer : INSAT-3A