A 50 kg rock climber ascends a cliff. What is the climber's gravitational potential energy at a point 30 meters above the base of the cliff? Remember earth has a free fall of 9.8 m/s .

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

they are non-matter

explanation:

they are non-matter. basically, any type of energy or any abstract concept is an example of something that does not matter. other examples include dreams, magnetism, radio, and hate