Homework Help: Physics

Posted by Donald on Thursday, October 4, 2012 at 12:58am.

(a) Calculate the magnitude of the gravitational force exerted on a 488-kg satellite that is a distance of 1.95 times earth radii from the center of the earth.

(b) What is the magnitude of the gravitational force exerted on the earth by the satellite?

(c) Determine the magnitude of the satellite's acceleration.

(d) What is the magnitude of the earth's acceleration?

Physics - Elena, Thursday, October 4, 2012 at 5:02pm
(a) F =G•m •M/R²
the gravitational constant G =6.67•10^-11 N•m²/kg²,
Earth’s mass is M = 5.97•10^24 kg,
Earth’s radius is R = 6.378•10^6 m.
F =6.67•10^-11•488 • 5.97•10^24 /(1.5•6.378•10^6)²=…
(b) F =6.67•10^-11•488 • 5.97•10^24 /(1.5•6.378•10^6)²=…
(c) a1= F/m
(d) a2= F/M

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