Author Question: Three small masses are positioned at the following coordinates: 3.0 kg at (3.0 m, 2.0 m); 4.0 kg at ... (Read 81 times)

karlynnae · **on:** Jul 29, 2018

Three small masses are positioned at the following coordinates: 3.0 kg at (3.0 m, 2.0 m); 4.0 kg at (0.0 m, -1.0 m); and 5.0 kg at (5.0 m, -7.0 m). What are the coordinates of the center of mass (or center of gravity) of this system?

What will be an ideal response?

Question 2

In another solar system, a planet has a moon that is 4.0 105 m in diameter. Measurements reveal that this moon takes 3.0 x 105 s to make each orbit of diameter 1.8 108 m. What is the mass of the planet? (G = 6.67 10-11 N m2/kg2 )

A) 3.4 1024 kg B) 4.8 1024 kg C) 1.2 1024 kg D) 1.7 1024 kg E) 2.4 1024 kg