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just to realize that I typed in the wrong numbers at the end of the last video when I was trying to put him in the calculator we were trying to determine the coefficient of static-friction it's 50 Newton's divided by 49 square roots of 3 Newtons and the last video by accident in the calculator I instead of doing 49 square roots of 3 I wrote 40 square roots of 3 so let's actually calculate it again 50 divided by 49 times let me write it this way make sure we get 49 times the square root of 3 gives us a coefficient of static friction of if we round it 0.59 so this is equal to zero zero point five nine and so that's it I just forgot to I did the calculation wrong on the calculator in the last video