Elements found in the same have similar chemical properties. what should go in the blank? row or column?

Aplane travels 1000 miles in 5 hours .what is the planes average speed?

Find the equation for the plane through upper p 0 left parenthesis negative 4 comma negative 8 comma negative 5 right parenthesis perpendicular to the following line. xequalsnegative 4 minus t, yequalsnegative 8 plus 2 t, zequals3 t, minusinfinityless thantless thaninfinity

Robin is swinging back and forth from a trapeze. in which of the following situations is his kinetic energy being transformed into potential energy