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    How much do these type of flaps increase drag?

    by how much will single-slotted Fowler-type flaps increase the drag coefficient of an aerofoil?
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    How much do spoilers increase drag coefficient?

    Approximetly how much is the drag coefficient if orginally the coefficient is 0.02689. I know it depends on aircraft etc but im only looking a rough estimate.
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    Projectile graph help

    i know how to plot horizontal dispacement (x axis) against vertical displacement (y axis) but i want to plot displacement (x axis) vs theta (y axis)?
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    Finding Projectile distance

    i am looking to find the projectile distance if an object (any object) was launched at 50 degrees considering the only information i know is u and v and theta (50) can someone help me out on the formula i need in order to calculate the range?
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    Engineering 3 phase circuit

    https://www.physicsforums.com/attachment [Broken].... how do i measure the current flow threw the neutral wire if phase R is open circuited? the impedance per load is 3+7j
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    3 phase circuit

    how do i measure the current flow threw the neutral wire if phase R is open circuited? the impedance per load is 3+7j
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    Matlab 3d graph

    i can produce 2d graphs with my code but i need to produce 3d aswell, is there no easy way i can produce a 3d graph?
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    2nd Order system Matlab

    What are the commands to i find the peak time, seetling time, rise time and maximum overshoot of a second order system in matlab?
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    Matlab Plot

    How do i plot an output response curve when input unit steps are (undamped natural frequency is normalised to 1): damping ration = 0, 0.1, 0.4,0.6,0.8,0.9 1 and 2 1) how do i plot a 2d plot for all curves on same graph. Time scale 0 - 10, steps of 0.2 seconds. 2) How do i make use of a 'for...
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    Matlab question help?

    how can i find the answers to the attached file using matlab. if i cannot use matlab how do i solve the questions? thanks
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