Question

(20 points) 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 coursel). The disc is 4 inches thick and 0.8 meters in diameter. The density of platinum is 21,450 kg/m3. What is the mass of the platinum disc in pounds (Ibm)? 2409.98 lbTn The Martian acceleration due to gravity is 3.61 m/s2 while Earth's gravitational constant is 32.2 ft/s Whili is the Earth wei(Jlii ої ilk: disc in Newions?

Answer 1

Date Page henetare Radius- 04 m 3 21,450上3/mL 0 255 x 21,450 Kg 5419.75kq 12053.334,-トound.(Ibm) mass-of-the-pisot 5449.35 54 63.75乂921-N 53, 6582