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Why does Pycharm have orange files?

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-1 I am trying to import pandas, and I am getting errors because the file for pandas is orange. I looked up the error, and it says something about being deleted so I reinstalled but I am still getting an error. The errors are "no module named pandas" and "unused import statement." I am using python 2.7, pip 10.0.1,anaconda2,pandas 2.7.3 Can someone please help? I am new, and if you give step-by-step information it would be greatly appreciated windows pandas python-2.7 pycharm share | improve this question asked Nov 25 '18 at 20:58 Melissa Barnett Melissa Barnett 4

What happens when the centripetal force is equal and opposite to the centrifugal force?

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1 $begingroup$ We say that centrifugal force is fictitious, yet we still use it in some problems. If the centrifugal force is equal and opposite to the centripetal force wouldn't that make the net force zero? newtonian-mechanics rotational-dynamics reference-frames centripetal-force centrifugal-force share | cite | improve this question edited 1 hour ago Qmechanic ♦ 106k 12 196 1222 asked 5 hours ago Santosh Khatri Santosh Khatri 12 2