Recent content by scottshannon

"Net force" is usually defined as the sum of all the forces and therefore because all of the other forces have been summed it is the only force operating on the object. But this can't be the case if Newtons second law for the airplane is F-T=Ma. The previous respondent did not in fact say that...

My question is a simple one..is the net forward thrust of the propellers the net thrust on the airplane? You weren't able to answer it. My contention is that the word "net" is confusing because it leads one to think that it is the net force. If you read my original post you would see I already...

Ok I am looking for a definitive answer..thank you though ..good effort on your part...it is an important question when one writes the Newtons second law equation for the airplane.

but is it the net force on the airplane? If F is the net force on the airplane then the equation I wrote for the Newtons Second law for the airplane isn't correct. If F is the NET force after all other forces have been subtracted then the Newtons law equation for the airplane should be F =Ma...

Homework Statement An airplane of mass 1.2 x 10^4 kg tows a glider of mass 0.6 x 10^4 kg. The airplane propellers provide a net forward thrust of 5.4 x 10^4 N. What is the glider’s acceleration? Homework Equations I The Attempt at a Solution Let T = tension on glider from airplane. M= mass of...

Thank you. I will see how that works, although I probably would have tried Bu^4+ Cu^3 +Du^2 +Eu +F. How do you know C, D, E and F = 0? I am asking myself this question.

Homework Statement Integral (u^4 +1) du/(u^5+3u) Homework Equations I don't know how to solve this integral. I don't know how to simplify it or what to do. The Attempt at a Solution It is not a form of dt/t. I tried to substitute trig functions and got nowhere. I thought it might be able to...

Qwertywerty...what was it that led you to take out an x2 from the bottom

Qwertywerty...what was it that led you to take out an from the bottom

The link you gave me didnt work...

Thank you but I don't go to school...I am out of school...I am just trying to learn on my own...

I don't have a teacher or mentor here...I don't know anyone here...

Is there a tutorial to learn how to write equations and mathematical symbols on this site? I don't know how to write integral symbols, summation symbols, subscripts, exponents etc ...

I have been trying to find problems of a nature that will allow me to do that...

Thank you for your help. DeldotB..Thank you... I understood that it was probably integration by parts but it wasn't immediately obvious how to make the u and dv assignment. Qwertywerty..thank you. I took out an x^2 from the denominator and multiplied by 2 on top and bottom and then was able to...