Answer :
Final answer:
The weight of the astronaut, originally given as 122 lbs, can be converted to newtons using the conversion factor 1 lb = 4.44822 N. Therefore, the astronaut's weight in newtons is approximately 542.28 N.
Explanation:
In physics, weight is defined as the force due to gravity. Here, the force of gravity on Earth is 9.8 m/s². So, in order to convert the weight of the astronaut from pounds to newtons, we first need to understand that 1 lb is approximately equal to 4.44822 N. So, if the astronaut weighs 122 lbs, her weight in newtons would be 122 lbs * 4.44822 N/lb = 542.28284 N (rounded to the 5th decimal place).
This conversion is based on the fact that 1 N is equal to 0.225 lbs, and thus by inverting this ratio we get the conversion factor between lbs and N (4.44822 N = 1 lb). This conversion factor is a reflection of the gravitational force on Earth, where 1 kg has a weight of 9.8 N.
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