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Maria weighs 115 lb on Earth.

(a) What is her mass on the moon?

(b) What is her weight on the moon?

Please show your work.

Answer :

Final answer:

Maria's mass on the earth and moon remains the same - approximately 52.16 kg. Her weight on the moon, due to its lower gravity, would be around 85.6 N.

Explanation:

Maria weighs 115 lb on Earth. To find her (a) mass in kilograms, we will convert from pounds to kilograms as follows: 115 lb = 115lb * 0.4536 kg/lb = 52.16 kg Roughly). This mass remains constant, regardless of where Maria is in the universe. This is based on the law of conservation of mass.

For the (b) weight on the moon, weight = mass * gravity. The moon's gravity is about 1/6 of Earth's gravity. So Maria's weight on the moon would be 52.16 kg * 1/6 * 9.8 m/s^2 (gravity of earth in m/s^2) = approximately 85.6 N (Newton, the unit of force).

Learn more about Weight and Mass Conversion here:

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