Home
Class 11
PHYSICS
A cosmonaut is circling the earth in a s...

A cosmonaut is circling the earth in a satellite at 7 kms at a height of 630 km above the surface of earth. Calculate the centripetal force acting on the cosmonaut if his mass is 80 kg (take `R_E=6.37xx10^6m)`

A

Zero

B

560 N

C

600 N

D

650 N

Text Solution

Verified by Experts

The correct Answer is:
B

`F_C=(mv_0^2)/r=(80xx(70xx10^3)^2)/(6.37xx10^6+630xx10^3)=560N`
Promotional Banner

Similar Questions

Explore conceptually related problems

Calculate the percentage change in weight of a body if taken to a height of 10 km above the surface of earth. The radius of earth is 6,400 km.

An artificial satellite is at a height of 36,500 km above earth's surface. What is the work done by earth's gravitational force in keeping it in its orbit ?

Find the weight of a body at a height of 100 km above the surface of earth. The radius of earth is 6,400 km and the body weighs 90 N on earth's surface.

An artificial satelite of mass 2500 kg is orbiting around the earth with a speed of 4 kms ^(-1) at a distance of 10^(4) km form the earth . The centripetal force acting on it is .

A particle is located 1,800 km above the surface of earth. Calculate the escape velocity of the particle. Take Radius of earth = 6,400 km g = 9.8 m//s^(2)

A remote sensing satellite of the Earth in a circular orbit at a height of 400 km above the surface of Earth. What is the (a) orbital speed, and (b) period of revolution of satellite ? Radius of Earth = 6 xx 10^(6) m and acceleration due to gravity the surface of Earth is 10 m//s^(2) .

An artificial satellite is revolving in a circular orbit at height of 1200 km above the surface of the earth. If the radius of the earth is 6400 km and mass is 6xx10^(24) kg , the orbital velocity is

A geostationary satellite orbits the earth at a height of nearly 36,000 km from the surface of the earth. What is the potential due to earth's gravity at the site of the satellite ? Mass of the earth= 6xx10^(24) kg and radius =6400 km.

An artificial satellite is describing an equatorial orbit at 3600 km above the earth's surface. Calculate its period of revolution? Take earth radius 6400km .