278
Physics Rotational Mechanics Level: High School
A 3.0 kg mass is positioned at (0,0.8) , and a 1.0 kg is positioned at (12,0). What are the coordinates of a 4.0 kg mass which will result in the centre of mass of the system of three masses being located at the origin , (0,0) ?a) (-3.0,-6.0)
b) (-12,-8.0)
c) (3.0,6.0)
d) (-6, -3)
43
Physics Rotational Mechanics Level: High School
Consider a too-small space habitat that consists of a rotating cylinder of radius of 4m. If a man standing inside is 2m tall and his feet are at 1g, what is the g force at the elevation of his head?