How many orbitals does the p sub shell container

The modern periodic table has groups.

Aroller coaster car is traveling down a track at 22 m/s. the car has a mass of 2000 kg. what is the kinetic energy of the car? a) 22,000 j b) 968,000 j c) 484,000 j d) 44,000 j

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.