Student wearing frictionless roller skates on a horizontal surface is pushed by a friend with a constant force of 52N. How far must the student be pushed, starting from rest, so that her final kinetic energy is 272 J?

Not all tiles will be usedidentify the element present in each star based on the gaps observed in wavelengths of its light refer to this table containing absorption wavelengths (in nm) of several different elements the table ishelium 447, 502 ,587 ,668carbon 427 ,515, 600 ,678sulfur 425, 565, 639, 675xenon 484, 590, 687calcium 429 ,527, 593, 645silver 421 ,521, 662

Um vetor representa um deslocamento cujo módulo é 20 m. se v faz um ângulo de 60 graus com a horizontal, qual é o valor das componentes horizontal e vertical deste vetor?

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx