Un jugador de fútbol americano de 99kg de peso, va corriendo a 9.7m/s, choca en el aire con otro jugador de 139 Kg de peso que lo obstruye moviéndose en dirección opuesta. Ambos jugadores terminan con una velocidad de cero. Calcula la velocidad inicial del segundo jugador.​

3. on your graph, the data points between the black squares are data for elements with atomic numbers 3 through 9. locate these elements on your periodic table. what term or description would you use to identify these elements with respect to the periodic table?

Ablock of mass 1.5 kg slides down an inclined plane that has an angle of 15. if the inclined plane has no friction and the block starts at a height of 3 m, how much kinetic energy does the block have when it reaches the bottom? acceleration due to gravity is g = 9.8 m/s2. a. 6.8 j b. 50.9 j c. 0 j d. 44.1 j

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