A girl with mass 13 kg starts at the top of a 2.6 m high playground slide which is inclined at an angle of 280 . She then slides down and reaches the bottom of the slide with a speed of 1.1 m/s. How much mechanical energy was lost by friction

answer: cesare beccaria developed the classical school of criminology with from philosopher jeremy bentham

explanation:

c. newton's third law of motion

answer;

d. are made mostly of liquid

explanation;

-the general   composition and structure planets includes; they have a thick gas and liquid layer covering a small,solid core. mostly the gases are hydrogen and helium atmosphere and layers of liquid hydrogen. for instance neptune and uranus are examples of the outer planets, they have a core covered by ice and ammonia.

-neptune's atmosphere is hydrogen and helium with a bit of methane so there is no oxygen to breath and the interior is made up of frozen water and ammonia with a rock and iron core. thus, there is no liquid water or solid surface to survive.