1) Calculate the weight of an astronaut with mass M 70 kg on earth, and then, on

Question

1) Calculate the weight of an astronaut with mass M 70 kg on earth, and then, on the moon 2) Look up the value of the Lagrange point L1 = 1.5 Million km, and marvel at the calculations done by Lagrange in the late 1700's. NASA parked the Genesis spacecraft there for a while. Just for Fun, See: https://genesismission.jpl.nasa.gov/gm2, https://www.jpl.nasa.gov/news/news.php? feature-4875 https://link.springer.com/chapter/10.1007/978 0-387-74184-0_28 (Prof. Burnett was very patient). 3) Convert -40 deg-F to deg-Celsius (deg-C)

Explanation / Answer

1)

Weight = mass m * acceleration due to gravity g

On Earth

g = 9.81 m/s2

So, w = (70)(9.81) = 686.7N

On Moon

g = 9.81/6 m/s2

So, w = (70)(9.81/6) = 114.45N

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