Suppose that the potential energy of a body at a certain height
is 200 J. If the body falls, what is its kinetic energy just as it
reaches the ground?

Which type of microscope would allow the viewer to see ribosomes inside a cell?

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant

A40.0 l tank of ammonia has a pressure of 12.7 kpa. calculate the. volume of the ammonia if it’s pressure is changed to 8.4 kpa while its temperature remains constant.