If I want a water balloon to hit the ground with 584 J of kinetic energy how high must I drop a 300 g balloon (0.3 kg) from to achieve this on Earth?

as a general rule, scissors have blades less than 6 in (15 cm) long and usually have handles with finger holes of the same size. shears have blades scissors used to cut hair or fabric must be much sharper.

the answer is to check all of them! they all apply well at least i think so!

a lot of it means it can be "burned" for energy and sold at one price. if it is scarce, the price will go up