A probe sent to the surface of mars uncovers a pure, Physics

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A probe sent to the surface of mars uncovers a pure

A probe sent to the surface of Mars uncovers a pure platinum disc inscribed with the message, "We'll be right back" (in Martian, of course!). The disc is 2 inches thick and 0.4 meters in diameter. The density of platinum is 21,450 kg/m3.

1. What is the mass of the platinum disc in pounds (lbm)?

2. The Martian acceleration due to gravity is 3.61 m/s2 while Earth's gravitational constant is 32.2 ft/s2. What is the Earth weight of the disc in Newton’s?

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