Physics, 10.12.2021 06:30 lizethyyaritza16
A fan uses a rotating blade to moves 2m3 of air each second at a speed of 3 m/s. Assumes air is initially at rest and has a density of 1 kg/m3. Fans are inefficient; assume an efficiency of 10%. What is the acceleration of the air?
Answers: 1
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Which of the following is an example of motion in two dimensions?
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A100 kg running back runs at 5m/s into a stationary linebacker. it takes 0.5 for the running back to be completely stopped
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A fan uses a rotating blade to moves 2m3 of air each second at a speed of 3 m/s. Assumes air is init...
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