Thu 28 Sep, 2017 12:16 pm - A company is considering the production of photovoltaic power plants operating at night. Such a power plant will use a photoelectric effect - analogous to conventional photovoltaic power plants (or... (view)
Thu 28 Sep, 2017 12:15 pm -
American basketball player Kyrie Irving says the EARTH i s flat. Assuming that he is right and that at the same time Newton's theory of gravity is correct, determine the thickness of the... (view)
Thu 28 Sep, 2017 12:13 pm - Consider two objects: (a) a metal, thin sphere with a radius R and mass M, and (b) a "riddled sphere" obtained from the same sphere as sphere (a) by drilling identical small holes so that... (view)
Thu 28 Sep, 2017 12:10 pm - The Hyperloop project assumes the construction of tunnels (one of them being metal pipes), in which the super-fast trains will move on the magnetic cushion. To allow traffic at over 1200 km / h,... (view)
