Some very hot rocks have a temperature of 190 ^o C and a . . . - Socratic Some very hot rocks have a temperature of #190 ^o C# and a specific heat of #90 J (Kg*K)# The rocks are bathed in #270 L# of boiling water If the heat of the rocks completely vaporizes the water, what is the minimum combined mass of the rocks? PhysicsHeatLatent Heat
Question #aba65 - Socratic 2x+4 'Twice a number' would be 2 multiplied by an unknown, or x 'Four more' is adding 4
What telescope was launched in 1990 and takes very detailed . . . - Socratic Hubble space telescope was launched on 24th April 1990 Space shuttle discovery put the Hubble telescope in earth orbit ' It is still in service since it is above Earth's atmosphere it is not disturbed by light pollution, clouds
Question #e395e - Socratic When decaying by alpha emission a nucleus drops by 4 in mass number and 2 in atomic number and emits a helium nucleus (alpha particle) which has mass number 4 and atomic number 2 194 81 T l → 190 79 Au + 4 2α Notice that the total mass number, and total charge (here only indicated by the atomic numbers ) remains unchanged, just moved around If the question meant another isotope, just
Question #c7924 - Socratic Explanation: Given point #-> (x,y)-> (-3,10)# Given gradient #" " (m) =-2# Thus #y=mx+c" "# becomes #" " y=-2x+c# '~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ #color (blue