Discover Questions

If a 50kg boy is traveling on a 30kg bike at 10m/s what is the total KE of the boy and bike combined? Are there different kinds of black holes, for instance, 2d black holes (which form accretion disks), 3d black holes, energy black holes, etc? Can you use argon gas when tig solder copper? Silicon : bromine : iodine = 1 : 2 : 2? If the sum of a red die and a green die is 8, what is the probability that one of them is at least 5?