Suppose the hubble constant were not 22 but 33 km/s per million light-years. then what would the critical density be?

Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.

The ability to make things happen is also called a. heat b. force c. matter d. energy

What happens when the number of protons in an atom changes