A Newtonian uid in continuous, incompressible laminar ow is moving steadily through a very long 700-m, horizontal pipe. The inside radius is 0.25 m for the entire length, and the pressure drop across the pipe is 1000 Pa. The average velocity of the uid is 0.5 m/s. What is the viscosity of this uid
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Ответ:
b)the objects mass changes, but its weight stays the same c)the objects mass and weight stay the same d) the objects mass and weight both change
Explanation:
the weight stays the same