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PLEASE answer questions 3 , 4 & 5. write clearly PROBLEM 3 Calculate the magnitude of...

PLEASE answer questions 3 , 4 & 5. write clearly

PROBLEM 3

Calculate the magnitude of the gravitational force on a cantaloupe of mass m = 873 g on the surface

of the Earth due to

(a) the Earth

(b) the Moon

(c) the Sun

PROBLEM 4

A hypothetical planet has 1/5 of the diameter of the Earth, and its density is 4 times larger

(compared to the Earth). Find its total mass and the free fall acceleration.

PROBLEM 5

Two planets with masses M1 and M2 are located at a distance D from each other far removed from

any other planets or objects in the outer space. Where should a satellite of mass m be located if we

need to have the two gravitational forces acting on it

(a) to be balanced (equal)

(b) the force from planet M1

to be three times larger compared to that from the planet M2

Solutions

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