Posted by geeta on Thursday, December 8, 2011 at 7:33am.
the mass of a body is 50 kg on the surface of the earth.find its weight on the surface of a planet whose mass is double than the mass of the earth and radius is 5 times the radius of the earth

physics  drwls, Thursday, December 8, 2011 at 9:10am
Let g', M' and R' be values for the new planet.
Let g be the acceleration of gravity for Earth, 9.8 m/s^2
g' = G*m'/R'^2 = 2G*Me/(5R2)^2)
= (2/25)G*Me/Re^2 = 0.08 g
Weight = 0.08 M g = 39.2 N
Weight = (0.08)M g =
Answer This Question
Related Questions
 Science  The weight of a body on the surface of the earth is 392N .What will be...
 Physics  the weight of the body on the surface of earth is 392N what will be ...
 Physics  Weight of an object on the surface is 100N . What will we it's weight ...
 Physics  Suppose a new extrasolar planet is discovered. Its mass is double the ...
 physics help 3!! **  Based on the following data about planet X (which orbits ...
 Physics  A simple pendulum has a period T on the surface of planet Earth. When ...
 Physics  I have a hard time solving this problem. The weight of an object at ...
 college  A spaceship lands on the planet whose radius is 5 times that of planet...
 physics  A planet has a radius of about 0.85 times Earth's radius and a mass ...
 Physics  a. 2 objects each of mass 200 kg and 500 kg are separated by 50 cm. ...
More Related Questions