Physics
General
Easy
Question
Rockets are launched in eastward direction to take advantage of
- the clear sky on eastern side
- the thinner atmosphere on this side
- earth's rotation
- earth's tilt
The correct answer is: earth's rotation
Related Questions to study
physics
The additional K.E. to be provided to a satellite of mass m revolving around a planet of mass M , to transfer it from a circular orbit of radius R1 to another radius R2(R2>R1) is
The additional K.E. to be provided to a satellite of mass m revolving around a planet of mass M , to transfer it from a circular orbit of radius R1 to another radius R2(R2>R1) is
physicsGeneral
chemistry-
A reduction in atomic size with increase in atomic number is a characteristic of elements of
This is a characteristic of f-block elements (lanthanoid contraction)
A reduction in atomic size with increase in atomic number is a characteristic of elements of
chemistry-General
This is a characteristic of f-block elements (lanthanoid contraction)
physics
A satellite moves in a circle around the earth, the radius of this circle is equal to one half of the radius of the moon's orbit the satellite completes one revolution in
A satellite moves in a circle around the earth, the radius of this circle is equal to one half of the radius of the moon's orbit the satellite completes one revolution in
physicsGeneral
physics
Two satellites A and B go round a planet in circular orbits having rarely 4 R and If the speed of satellite A is 3V, then speed of satellite B is
Two satellites A and B go round a planet in circular orbits having rarely 4 R and If the speed of satellite A is 3V, then speed of satellite B is
physicsGeneral
chemistry-
The yellow coloured solution of salt of chromate ions change to orange colour on acidification due to the formation of
The yellow coloured solution of salt of chromate ions change to orange colour on acidification due to the formation of
chemistry-General
physics
A person sitting in a chair in a satellite feels weightless because
A person sitting in a chair in a satellite feels weightless because
physicsGeneral
physics
The time period of a satellite of earth is 5 hours If the separation between the earth and the satellite is increased to four times the previous value, the new time period will become ...... Hours
The time period of a satellite of earth is 5 hours If the separation between the earth and the satellite is increased to four times the previous value, the new time period will become ...... Hours
physicsGeneral
Maths-
If
is symmetric then trace of A is
If
is symmetric then trace of A is
Maths-General
chemistry-
The oxidation number of Mn in the product of alkaline oxidative fusion of MnO2 is
The oxidation number of Mn in the product of alkaline oxidative fusion of MnO2 is
chemistry-General
physics
When a satellite going round the earth in a circular orbit of radius r and speed v loses some of its energy, then r and v changes as
When a satellite going round the earth in a circular orbit of radius r and speed v loses some of its energy, then r and v changes as
physicsGeneral
maths-
If
, then at 
As is evident from the graph of
that it is continuous but not differentiable at 

Now,








Now,
If
, then at 
maths-General
As is evident from the graph of
that it is continuous but not differentiable at 

Now,








Now,
Maths-
If
then a=x
If
then a=x
Maths-General
chemistry-
Which of the following statements about the interstitial compounds is incorrect?
Interstitial compounds are chemically inert, so, choice (2) is incorrect
Which of the following statements about the interstitial compounds is incorrect?
chemistry-General
Interstitial compounds are chemically inert, so, choice (2) is incorrect
physics
Potential energy of a satellite having mass m and rotating at a height of 6.4
m from the surface of earth
Potential energy of a satellite having mass m and rotating at a height of 6.4
m from the surface of earth
physicsGeneral
Maths-
The slant height of a cone is fixed as 7 cm. If the rate of increase in its height is 0.3 cm/sec. Then the rate of increase in volume when the height is 4cm
The slant height of a cone is fixed as 7 cm. If the rate of increase in its height is 0.3 cm/sec. Then the rate of increase in volume when the height is 4cm
Maths-General