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- A force field has the form F xT/r where is a constant vector. Is F a conservative field? Justify your answer with a suitable calculation.o home work .pdf -> H.W: In the Boher model of the hydrogen atom an electron moves at 2.19*10°m/s in an orbit of radius 5.29*10*1" centered on a proton. (a)what is the centripetal force on the electron? (b)what is the number of revolutions made each second? Ans. (a)9.06*10²²m/s² (b÷ = 6. 58 • 1015 1/s H.W: A ball is thrown with an initial speed voat an angle 0 below the horizontal from rooftop 44m above the ground. It lands 2sec later at a point Vor 32m from the base of the building. Find vo and 0 Ans. 0 = -37.32v, = 20. 1m/s 44 y H.W: A ball thrown up from a rooftop of height 40m lands on ground in 4s. (a)what is its maximum height above the ground? (b)what is its velocity 15m below the rooftop? Ans. (a)44.7m (b) v = –19.65 H.W: An object is thrown horizontally at 20m/s from a cliff top 45m above sea level. Find (a)the time to land; (b)the angle at which it hits the water; (c)the speed at which it hits the water. Ans. (a)3.03s (b)Ø = -54.73 (c)35.79m/s1 %VY li, M home work .pdf H.W: In the Boher model of the hydrogen atom an electron moves at 2.19*10'm/s in an orbit of radius 5.29 10" centered on a proton. (a)what is the centripetal force on the electron? (b)what is the number of revolutions made each second? Ans. (a)9.06 10"m/s (b= 6.58 + 1015 1/s
- |%Vr l. M home work .pdf > H.W: In the Boher model of the hydrogen atom an electron moves at 2.19 10'm/s in an orbit of radius 5.29 10" centered on a proton. (a)what is the centripetal force on the electron? (b)what is the number of revolutions made each second? Ans. (a)9.06 10"m/s (b= 6.58 105 1/s H.W: A ball is thrown with an initial speed voat an angle 0 below the horizontal from rooftop 44m above the ground. It lands 2sec later at a point 32m from the base of the building. Find vo and 6 Ans. 0 = -37.32v, = 20. 1m/sFind whether the given field vector is: i) conservative, ii) irrotational, iii) both? Justify your answer. Given, the vector is, V=yzî+ xzj+ xyk.Find the surface integral of the vector field F = 3x'ê, - 2yê, + zê, over the surface S that is the graph of z = 2x -y over the rectangle [0, 2] x [0, 2]. PIO.18 PIO.19 Determine if the force field F = x'yê, + xyzê, – x'y'ê, is conservative. A vector field is given by F = -yê, + zê, + x'ê,. Determine its line integral over a circular path of radius R in the XY-plane, with its center at the origin. Determine if the Stokes' theorem holds good for this circular path, by considering the following surfaces: PI0.20 (i) the plane of the circle, and (ii) surface of a cylinder of height h erected on the circle. PI0.21 Determine the curl of the following vectors fields: (a) p cos pɛ, -p sin pe (b) For the steady irrotational flow of incompressible, non-viscous liquids, if the flow occurs under gravity, find the value of pressure at an arbitrary height, z. PI0.22 PI0.23 The density field of a plane, steady state fluid flow given by p(x1, x)=kx,x2 where k is constant. Determine the form of the…
- An electric wire having a mass of 0.5 kg/m along the horizontal is suspended between supports of the same elevation which is 50m apart. If the maximum tension in the wire is 800N, find a. the minimum tensionb. the sagc. the length cable ANS.a. 790.17Nb. 1.98mc. 50.2mQuestion: 10 Upload answer sheets (a). Give the physical significance of Divergence and Curl with required example. (b). Find the Curl of Vector field H at the origin if H=2y u, + (z²-x*) u, + 3y u; Once you u Finish Clear ResponsePlease help with the following solution. I do not understand conservative fields and the book is difficult to follow. This is Vector Analysis (Vector Calculus).
- For the vector field ?(x,y,z) = < x+(y/z), sqrt(x^2+y^2), lnz > a) Find curl F b) Find div F c) State whether or not the vector field is conservative, and why.In a thundercloud there may be electric charges of +45.0 C near the top of the cloud and -45.0 C near the bottom of the cloud. These charges are separated by 2.50 km. What is the electric force on the top charge? magnitude Ndirection Read It O attractive O repulsive Need Help?Gradebook 9 physics (1).pdf G Find the polar coo x O Find the polar coc x i webassign.net/web/Student/Assignment-Responses/submit?dep=25444823&tags=autosave#question3758304_0 W PHY 206 HW Bon X C A Certain Cable Ca X G how to use arctan X x = 3.00t2 and x = 18.0t + 87.0 %3D (a) the (positive) time, t (b) the position, x Need Help? Read It 8. [-/2 Points] DETAILS SERCP11 2.XP.011. MY NOTES ASK YOUR TEACHER A certain cable car in San Francisco can stop in 10 s when traveling at maximum speed. On one occasion, the driver sees a dog a distance d in front of the car and slams on the brakes instantly. The car reaches the dog 7.40 s later, and the dog jumps off the track just in time. If the car travels 3.73 m beyond the position of the dog before coming to a stop, how far was the car from the dog? (Hint: You will need three equations.) m Need Help? Read It Submit Answer MY NOTES ASK YOUR TEACHER SERCP11 3.T.001. DETAILS PREVIOUS ANSWERS 9. [0.84/2 Points] When an object moves in two…