Home
Class 9
PHYSICS
Find the weight of the atmosphere around...

Find the weight of the atmosphere around the earth (take the radius of earth as 6400km.)

Promotional Banner

Topper's Solved these Questions

  • FLOATING BODIES

    NCERT TAMIL|Exercise REFLECTIONS ON CONCEPTS|4 Videos

  • FLOATING BODIES

    NCERT TAMIL|Exercise APPLICATION ON CONCEPTS|5 Videos

  • FLOATING BODIES

    NCERT TAMIL|Exercise MULTIPLE CHOICE QUESTIONS|6 Videos

  • ELECTRIC CHARGE AND ELECTRIC CURRENT

    NCERT TAMIL|Exercise TEXTBOOK EXERCISES (Exercises)|1 Videos

  • GRAVITATION

    NCERT TAMIL|Exercise Let us Improve our learning (Multiple choice questions) (Suggested projects)|4 Videos

Similar Questions

Explore conceptually related problems

Because of the friction between the water in oceans with the earth's surface the rotational kinetic energy of the earth is continuously decreasing. If earth's angular speed decreases by 0.0016 rad/day in 100 years, find the average torque of the friction on the earth. Radius of the earth is 6400 km and its mass is 6.0xx10^24kg .

(i) Define orbital velocity and establish an expression for it. (ii) Calculate the value of orbital velocity for an artifical satellite of earth orbiting at a height of 1000km (Mass of the earth =6xx10^(24)kg , radius of the earth =6400km ).

An artificial satellite is moving in a circular or bit around the earth with a speed equal to half the magnitude of escape velocity from the earth (ii) If the satellite is stopped suddenly in its orbit or allowed to fall freely on the earth, find the speed with which it hits the surface of the earth take g = 9.8 ms^(-2) , radius of the earth = 6400 km.

Find the percentage decrease in the weight of the body when taken to a height of 16 km above the surface of Earth. Radius of the Earth is 6400 km.

A satellite is projected vertically upwards from an earth station. At what height above the earth's surface will the force on the satellite due to the earth be reduced to half its value at the earth station? (Radius of the earth is 6400 km.)

Calculate the value of orbital velocity for an artifical satellite of earth orbiting at a height of 1000 km (Mass of the earth =6 xx 10^(24) kg, radius of the earth = 6400 km )

A satellite is revolving around the earth at a height of 600 km. find The speed of the satellite. Radius of the earth =6400 km and mass of the earth =6xx10^24kg .

A particle hanging form a spring stretches it by 1 cm at earth's surface. How much will the same particle stretch the spring at a place 800 km above the earth's surface? Radius of the earth=6400 km.

The magnetic moment of the assumed dipole at the earth's centre is 8.0 xx 10^22 A m^2 . Calculate the magnetic field B at the geomagnetic poles of the earth. Radius of the earth is 6400 km .