A planet follows a nearly circular orbit (dashed curve) about the sun. The plane

Question

A planet follows a nearly circular orbit (dashed curve) about the sun. The planet has mass 4 A planet follows a nearly circular orbit (dashed curve) about the sun. The planet has mass 4 A planet follows a nearly circular orbit (dashed curve) about the sun. The planet has mass 4 Times 1024 kg and the sun has mass 1.99 Times 1030kg. They are separated, center to center, by 3.0 Times 108 km. What is the magnitude of the gravitational force acting on the planet due to the sun? (Use scientific notation with three sig figures, e.g. 1.23E04) F=

Explanation / Answer

a)

F=Gm1m2/r^2= (6.673*10^-11*4*10^24*1.99*10^30)/(3*10^11)^2=5.90E21 N

b)

W= Gm1m2/r^2=(6.673*10^-11*30*4*10^24)/(3*10^6)^2 =8.89E02 N

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