Determine the gain in the potential energy when a 4.0 kg rock is raised 18.000 m.

this allows people to make the best decision or pursue the best option. when alternatives are weighed using their advantages and disadvantages, the option whose disadvantages outweigh the advantages (based on a qualitative or quantitative analysis) are shunned while those whose advantages outweigh their disadvantages are pursued.  

i think if it were me i whould divide 300 dide 15

step-by-step explanation:

the simple machine has three main features. they are:

fulcrum is the center point or pivot point of the machine. effort is input force/ applied force. load is external force/ output.

the keisha 's machine labels are

x : load

y: fulcrum

z: lever

the duration of a photographic flash is related to an rc time constant, which is 0.100 μs for a certain camera.