Home
Class 12
PHYSICS
Mass M, of a planet earth is uniformly d...

Mass `M`, of a planet earth is uniformly distributed over a spherical volume of radius `R`. Calculate the energy needed to deassemble the planet against the gravitational pull amongst its consituent particles. Given
`mR = 2.5 xx 10^(31) kg m` and `g = 10 ms^(-2)`.

Text Solution

Verified by Experts

The correct Answer is:
15
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    RESONANCE|Exercise EXERCISE-2 PART-3|12 Videos

  • GRAVITATION

    RESONANCE|Exercise EXERCISE-2 PART-4|9 Videos

  • GRAVITATION

    RESONANCE|Exercise EXERCISE-2 PART-1|16 Videos

  • GEOMATRICAL OPTICS

    RESONANCE|Exercise Advance level Problems|35 Videos

  • NUCLEAR PHYSICS

    RESONANCE|Exercise Advanced level solutions|16 Videos

Similar Questions

Explore conceptually related problems

Mass M , of a planet earth is uniformly distributed over a spherical volume of radius R . Calculate the energy needed to deassemble the planet against the gravitational pull ammongst its consituent particles. Given mR = 2.5 xx 10^(31) kg m and g = 10 ks^(-2) .

The mass M of a planet earth is uniformly distributed over a spherical volume of radius R. Calciulate the energy needed to de assemble the planet against the gravitational pull amongst its constitutent particles. Given MR=2.5xx10^(31)kg and g=10ms^(-2) .

A planet of mass M has uniform density in a spherical volume of radius R . Calculate the work done by the external agent to deassemble the planet in eight identical spherical part against gravitational pull amongst its constitute particle.

(i). A charge of Q coulomb is uniformly distributed over a spherical volume of radius R metre Obtain an expression for the energy of the system. (ii). What will be the corresponding expression for the energy needed to completely diassemble the planet earth against the gravitational pull amongst its constituent particles? Assume the earth to be a sphere of uniform mass density. calculate the energy, given that the product of the mass and the radius of the earth to be 2.5xx10^(31)kg-m

Calculate the mass and density of the earth. Given that Gravitational constant G = 6.67 xx 10^(-11) Nm^(2)// kg^(2) , the radius of the earth = 6.37 xx 10^(6) m and g = 9.8 m//s^(2) .

The mass of a planet and its diameter are three times those of earth's. Then the acceleration due to gravity on the surface of the planet is : (g =9.8 ms^(-2))

How much energy should be supplied to a body of mass 500kg, so that it can escape from the gravitational pull of the earth? [g=10 m//s^(2) and R=6400 km]