In January 2005 the Huygens probe landed on Saturn\'s moon Titan, the only satel
ID: 1436479 • Letter: I
Question
In January 2005 the Huygens probe landed on Saturn's moon Titan, the only satellite in the solar system having a thick atmosphere. Titan's diameter is 5150 km , and its mass is 1.35×1023kg . The probe weighed 3350 N on the earth. What did it weigh on the surface of the Titian? In January 2005 the Huygens probe landed on Saturn's moon Titan, the only satellite in the solar system having a thick atmosphere. Titan's diameter is 5150 km , and its mass is 1.35×1023kg . The probe weighed 3350 N on the earth. What did it weigh on the surface of the Titian? What did it weigh on the surface of the Titian?Explanation / Answer
weight of the probe on earth = 3350 N
mass of the probe on the earth = 3350/g = 3350/9.8 = 341.83 kg
acceleration due to gravity g = Gm/r^2
where G = gravitational constant
m = mass of the planet
r = radius of the planet
g = 6.67*10^-11*1.35*10^23 / (2575*10^3)^2
g = 1.358 m/s2
weight on the surface of titan = mg = 341.83*1.358 = 464.21 N
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