A 90.0 kg man climbs hand over hand up a rope to a height of 9.47 m. How much potential energy does he have when he reaches the top?

Although light from the sun appears white, it is actually made up of a lot of different colors. this portion of the electromagnetic spectrum, we call white light is referred to as within the electromagnetic spectrum.

Phase changes are chemical changes. true or false

What is the mass of the same rock on the earth