Question

Select and write the correct answer:
A body weighs 0.700 kg wt on the surface of the earth. How much will it weigh on the surface of a
planet whose mass is of the mass of the earth and radius is of that of the earth?
(A) 0.050 kg wt
(B) 0.200 kg wt
(C) 0.300 kg wt
(D) 0.400 kg wt
Animalerical boom af transverse waves is one whose vibrations​

Answer 1

Correct Question :---- A body weighs 0.700 kg wt on the surface of the earth. How much will it weigh on the surface of a planet whose mass is 1/7th of the mass of the earth and radius is 1/2 of that of the earth ?

Solution :-----

First we need to Find the Gravity of That planet ,,

Using the Formula of Gravity :--- g = GM/R²

→ Planet Gravity = (GM/7)/(R²/4)

→ Planet Gravity = 4/7g

Now, We need to calculate the weight of the body on the surface of a planet Using formula of weight,,

W = m*(gravity of planet)

Putting values now we get,

→ w = 0.700 * 4/7

→ w = 0.400 kg wt ....

Hence, The weight of body on the surface of other planet is 0.400kg wt (Option D)...

Answer 2

Explanation:

Question :----

A body weighs 0.700 kg wt on the surface of the earth. How much will it weigh on the surface of a planet whose mass is 1/7th of the mass of the earth and radius is 1/2 of that of the earth ?

Solution :-----

First we need to Find the Gravity of That planet ,,

Using the Formula of Gravity :--- g = GM/R²

→ Planet Gravity = (GM/7)/(R²/4)

→ Planet Gravity = 4/7g

Now, We need to calculate the weight of the body on the surface of a planet Using formula of weight,,

W = m*(gravity of planet)

Putting values now we get,

→ w = 0.700 * 4/7

→ w = 0.400 kg wt ....

Hence, The weight of body on the surface of other planet is 0.400kg wt (Option D)...