Home
Class 11
PHYSICS
A rocket is fired from the earth towards...

A rocket is fired from the earth towards the sun. At what point on its path is the gravitational force on the rocket zero? Mass of the sun is `2 xx 10^(30)kg`, mass of the earth is `6 xx 10^(24) kg`. Neglect the effect of other planets etc. ( orbital radius `= 1.5 xx 10^(11) m )`.

A

`-2.29 xx 10^(35)` J

B

`-2.29 xx 10^(41)` J

C

`-2.29 xx 10^(31)` J

D

`-2.29 xx 10^(39)` J

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

A rocket is fired from the earth towards the sun. At what distance from the earth's centre is the gravitational force on the rocket zero? Mass of the sun =2xx10^(30)kg , mass of the earth =6xx10^(24)kg . Neglect the effect of other planets etc. (orbital radius= 1.5xx10^(11)m ).

A rocket is fired from the earth towards the sun. At what distance from the earth's centre is the gravbitaional force on the rocket zero? Mass of the sun =2xx10^(30)kg , mass of the earth =6xx10^(24)kg . Neglect the effect of other planets etc. (orbital radius= 1.5xx10^(11)m ).

What is the magnitude of the gravitational force between the Earth and a 1kg object on its surface ? (Mass of the earth is 6xx10^(24) kg and radius of the Earth is 6.4xx10^(6) m) .

Compare the mass of the sun with that of the Jupiter, if the mass of the Sun is approximately 2xx10^(30) kg and mass of the Jupiter is approximately 2xx10^(27) kg.

Find the distance of a point from the earth's centre where the resultant gravitational field due to the earth and the moon is zero The mass of the earth is 6.0 xx 10^(24)kg and that of the moon is 7.4 xx 10^(22)kg The distance between the earth and the moon is 4.0 xx 10^(5)km .

The mass of sunis 2.0xx10^(30)kg and its radius is 7.0xx10^(8)m . Find the mass density?

Calculate the force of gravitation between the earth the sun, given that the mass of the earth =6xx10^(24) kg and mass of the sun =2xx10^(30) kg. The average distance between the two is 1.5xx10^(11)m .

The earth revolves round the sun due to gravitatinal attraction. Suppose that the sun and the earth are point particle with their existing masses and that Bhor's quantization rule for angular monentum is valid in the case of gravitation (a) Calculate the minimum radius the earth can have for its orbit. (b) What is the value of the principle quantum number n for the present radius ? Mass of the earth = 6.0 xx 10^(24) kg, mass of the sun = 2.0 xx 10^(30) kg, earth-sun distance = 1.5 xx 10^(11)m .

Compare the distance of the sun from the earth and the distance of the mars from the Earth if the Sun is 1.5xx10^(8) km from the Earth and the Mars is 5.5xx10^(7) km from the Earth.

Find the value of G from the following data. Mass of the earth = 6 xx 10^(24) kg , radius of the earth = 6371km and g = 9.8 m//s