Space missions - class-X
Description: space missions | |
Number of Questions: 16 | |
Created by: Amal Dixit | |
Tags: gravitation: planets and satellites artificial satellite universe and space science space missions universe geography space travel search of life outside earth the sun, the stars that crowd the sky stars and the solar system our earth and our solar system our earth and the space evs physics universe and space observing space: telescopes evs - i the sky |
Communication satellites move in orbits of radius 44,400 km around the earth find the acceleration of such a satelite, assuming that the only force acting on, it is that due to the earth.Mass of the earth $ = 6 \times {10^{24}}Kg.$
A particle is projected vertically upward and is at a height h after $\displaystyle { t } _{ 1 }$ seconds and again after $\displaystyle { t } _{ 2 }$ seconds, then:
In case of an orbiting satellite, if the radius of orbit is decreased.
If for a given angle of projection, the horizontal range is doubled, the time of flight becomes
Two identical satellites are moving in the same circular orbit around the earth but in opposite senses of rotation, Assuming an inelastic collision to take place, so that the wreckage remains as one piece of tangled material wreckage
The full form of NASA is ?
State whether the given statement is True or False :
The International space Station is currently under construction. Eventually, simulaced earth gravity may become a reality on the space station.What would the gravitational field through the central axis be like under these conditions?
When the temperature raised to $50^0C$, how did scientist adjust its temperature?
Transponder is a device in satellites to:
A celestial body that revolves around a planet is known as _____.
The planet having the largest number of satellites amongst the following is
ENERGY OF AN ORBITING SATELLITE
In motion of an object under the gravitational influence of another object. Which of the following quantities is not conserved?
The minimum distance of a satellite from the centre of the earth is 3R, where R is the radius of 2GM What is the earth. The mass of earth is M. The maximum speed of the satellite is $\sqrt { \frac { 2 G M } { 3 R } }$ radius of curvature at the point of minimum distance?
Which star is called earth satellite?