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4.7 #4/25

4.7 #4/25. Nathan Rice 6 th Period. Problem. 4. [CJ5 4.P.025.] The mass of a robot is 5450 kg. This robot weighs 3620 N more on planet A than it does on planet B. Both planets have the same radius of 1.33x10 7 m. What is the difference MA - MB in the masses of these planets?.

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4.7 #4/25

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  1. 4.7 #4/25 Nathan Rice 6th Period

  2. Problem • 4. [CJ5 4.P.025.] The mass of a robot is 5450 kg. This robot weighs 3620 N more on planet A than it does on planet B. Both planets have the same radius of 1.33x107 m. • What is the difference MA - MB in the masses of these planets?

  3. Setup • Ma = Mass of planet A = ? • Mb = Mass of planet B = ? • Ra = Radius of planet A = 1.33x107 m • Rb = Radius of planet B = 1.33x107 m • Mr = Mass of robot = 5450 kg • Wa = Weight of robot on planet A = Wb + 3620 N • Wb = Weight of robot on planet B = ? • Equations:

  4. Solution Set the weights of the robot equal to each other: Plug in the given values:

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