A 0.145 kg baseball is flying at a height of 2.50 m. How much potential energy does the ball have?

Gravitational potential energy is the energy stored in an object as the result of its vertical position or height. It can be calculated as its weight times the height. This is:

Where:

Evaluating:

R/ The ball has 3.5525 J of potential energy.

.) the observation by semmelweis that more mothers died of childbed fever when their doctors also worked in the morgue

nah.   i'm just sleepy.