Apr 21, 2019 · Maximum Slip s=4/35 Synchronous Speed ns=50*60/p ns=3000 rev min-1 Speed at Maximum Torque Torque is maximum when R2=sX2 For maximum torque, X2=R2/s I'm not sure after this.

Sep 8, 2005 · 40. If r = <x,y>, r1 = <x1,y1>, and r2 = <x2,y2>, describe the set of all points (x,y) such that |r - r1| + |r - r2| = k, where k > |r1-r2| I'm completely lost on this one. 43. Use vectors to prove that the line joining the midpoints of two sides of a traingle is parallel to the third side and half its length. I'm also confused on how to do ...

Nov 22, 2012 · Homework Statement Mass M is distributed uniformly over a disk of radius a. Find the gravitational force between this disk-shaped mass and a particle with mass m located a distance x above the center of the disk. Homework Equations The problem gives the hint to use the equation found in...

Jun 18, 2004 · how would you integrate (r^2-x^2)^(1/2) where r is constant thanks peace

Feb 18, 2015 · Let U={(x,y) in R2:x2+y2<4}, and let f(x,y)=√.(4−x2−y2) Prove that f is differentiable, and find its derivative. I do know how to prove it is differentiable at a specific point in R2, but I could not generalize it to prove it differentiable on R2.

Jun 30, 2017 · Maintaining R as the constant hypotenuse in the triangle formed by x and y coordinates in a 'perfect' circle, r2=x2+y2 r2=x2+y2 So knowing that in 9.8 metres above ground it will take 1 second for an object to fall, I tried to find how many metres in the X direction an object must cover in 1...

Mar 25, 2012 · Homework Statement A disk of radius R has a uniform surface charge density σ. Calculate the electric field at a point P that lies along the central perpendicular axis of the disk and a distance x from the center of the disk. Homework Equations Electric field due to a continuous...

Apr 3, 2011 · Homework Statement Figure 1 shows the equivalent circuit of a single phase transformer and figure 2 shows the approximate equivalent circuit. Reduce the circuit to approximate form and find: rm, xm, R1, X1 Using the approximate equivalent circuit calculate- With the transformer...

Aug 7, 2011 · Hi guys, please help me with this problem. thanks A 75 kg sky-diver in free fall is subjected to a crosswind exerting a force of 60 Newton and to a vertical air resistance force of 100 Newton. Describe the resultant force acting on the skydiver. I used …

Oct 5, 2008 · That is, there are probability: Prob(r1=(x1,y1,0) and Prob(r2=(x2,y2,0). Here these two single event probabilities describe independent events, and each deals with the coordinates of a single ball. Here these two single event probabilities describe independent events, and each deals with the coordinates of a single ball.