Answer:
The side of the paper with sunblock lotion stays on its the same color/tone while the other side of the paper without sunblock lotion faded
Explanation:
Ultraviolet (UV) radiation from the sun is the main cause of skin cancer, so one of the best ways to prevent skin cancer is to protect your skin from sun exposure with the use of sunscreen/sunblock. The sunlight that reaches us is made up of two types of harmful rays: long waves (UVA) and short waves (UVB)
Compression is a type of force, like when you crush a soda can, your compressing it.
(if it's frictionless the length doesn't even matter :) )
It would have the same kinetic energy down as the potential energy up. That is,
or
(the mass doesn't even matter). The result is
, so only the height matters really. It is almost 9 (it is
).