Recent content by mp252

  1. M

    Angular speed and angular velocity

    hi here you are, the DC motor is put into a subsytem i have just shown you the whole block diagram to make it easier to interpret. Thanks Mayur
  2. M

    Angular speed and angular velocity

    hi i have two different systems (i have tried to upload them but they both exceed the size of the upload limit). One is a dc motor block diagram (it has a PID at its controller) the other is a bldc motor model with a PID controller input. The block diagram of the DC motor consists of an armature...
  3. M

    How Do You Calculate the Mass of a Triangle with Variable Density?

    i think i got it now the answer is 40kg? is this correct
  4. M

    How Do You Calculate the Mass of a Triangle with Variable Density?

    thanks for that i have now got to the part of 10x/2 dx I am not to sure how to integrate this, should i do it in parts or substitution?
  5. M

    How Do You Calculate the Mass of a Triangle with Variable Density?

    hi i am having great difficulties doing this i was wondering if anyone could start me of thanks, a triangle is formed by the x, y - axes and the line x+2y=4. the density is given by f(x,y)= 2y. I know that i need to convert the line for y but from there on i have no idea, much abliged
  6. M

    Calculate Electron Flow in 3 Secs

    i was stuck on this equation if a current of 2 A flows through a lamp when it is connected by copper wire of cross-sectional area 1 mm2 to the terminals of a battery. how many electrons will leave the negative terminal of the battery in 3 seconds? (obiviously the charge of electrons is...
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