Se quiere calcular la viscosidad de un líquido por el método de Oswald y se obtienen los siguientes resultados: T caída agua (20ºC) = 63s, 62s, 64s
T caída líquido (20 ºC)= 237s, 239s, 230s
Densidad agua 20 ºC= 0,9767 g/ml
Densidad liquido 20 ºC= 1,235 g/ml
Calcula la viscosidad absoluta y relativa

The force acting on a beam was measured under the same operating conditions and a sample of 5 data points was collected. this process was repeated by 3 observers. the pooled standard deviations of these 3 data sets was 1.21. determine the true mean force using all pooled data (with a 95% probability). the result should look like this: true mean = mean +/- margin of error

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Acar traveling at 22 m/s starts to decelerate steadily. it comes to a complete stop in 15 seconds. what is it’s acceleration?