What are the main properties that a black hole can have? Where do
the properties come from?

Apiece of metal 75g at 110°c is dropped in a container with 500g at 20°c. the h2o if temperature is 24°c find specific heat capacity of metal

Which two statements are true about a system? a system is a group of objects analyzed as one unit. energy that moves across system boundaries is conserved there's only one way to define the boundaries of a system all systems are made by humans

Which wave would cause destructive interference at every point of the wavelength and completely cancel out the wave?