Respetando el distanciamiento social recomendado por efectos de la pandemia y Haciendo referencia Un salón de clase un estudiante se encuentra en el punto (2, 4) en un determinado instante. Después de 3 s, se encuentra en el
punto (6, 1). Halle la distancia que recorrió.
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When many atoms are split in a chain reaction, a large explosion occurs. this is an example of what type of energy conservation

How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by

The space between two 15-in.-long concentric cylinders is filled with glycerin (viscosity = 8.5 × 10-3 lb·s/ft2). the inner cylinder has a radius of 1 in. and the gap width between cylinders is 0.1 in. determine (a) the torque and (b) the power required to rotate the inner cylinder at 180 rev/min. the outer cylinder is fixed. assume the velocity distribution in the gap to be linear.