Discover Questions

Is it possible our universe is the creation of a black hole in another universe and the big bang was a white hole? If we where able to colonize 10 galaxys per 10,000 years how many galaxys would we colonize in 5 billion years? At which location would an object weight be the greatest? Let a = the length of a car in meters. Let b = the length of the same car in centimeters.
Which number is greater, a or b?
Use the drop-down? What is the acceleration of a proton moving with a speed of 7.5 m/s at right angles to a
magnetic field of 1.4 T?