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- I have written down a y(x,t) for the given values, but I think that I am not supposed to solve for the problem and then sketch. Am I supposed to solve the y(x,t) for the problem? Before I sketch? The problem is #7.1please help with questions 1,2,3,4,5 and 6 all together please i’m so stressed out please pleaseA farmer wants to fence off his four-sided plot of flat land. He measures three sides, shown as A, B, and D in the Figure, and then correctly calculates the length and orientation of the third side C. The length of A, B, and D are all 7.06 km. Their angles theta1, theta2, and theta3 are all 2.16 degrees. What did he find as the magnitude of C (in unit of km)?
- I kept doing the calculation in the calculator and wasn't getting the correct answer, can you help? two points are given in polar coordinates by (r, ?) = (2.20 m, 50.0°) and (r, ?) = (3.00 m, −60.0°) , respectively. What is the distance between them?Match the vector to its description. The vectors are given by their components in 3D space, that is by (x,y,z) In the x,y plane, 45° to the x- and y-axes A vector pointing straight up, in the z direction. A vector of length √5 A vector making an angle of 45° to all three axes A. (10,10,10) B. (1,1,0) C. (0,0,99) D. (0,1,2)i have the cartesian coordinates x=4, y=3, and z=4. I'm trying to figure out thespherical coordinates. I haven't done these 3-d stuff in a long time please help
- A circular area S is concentric with the origin, has radius a, and lies in the yz-plane. Calculate ∫??⃗·?ˆ??∫SE→·n^dA for ?⃗=3?2?ˆ.E→=3z2i^.Explorers in the jungle find an ancient monument in the shape of a large isosceles triangle as shown. The monument is made from tens of thou- sands of small stone blocks of density = 800 kg/m3 . The monument is 15.7 m high and 64.8 m wide at its base and is everywhere 3.60 m thick from front to back. Before the monument was built many years ago, all the stone blocks lay on the ground. (a) Choosing a coordinate system with x = 0 at the center of the pyramid, y = 0 at the base of the pyramid, and z = 0 at the face of the pyramid shown in the diagram, determine the coordinates of the center of mass of the pyramid in the x, y, and z directions. (b) How much work did laborers do on the blocks to put them in position while building the entire monument? Note: The gravitational potential energy of an object–Earth system is given by Ug = MgyCM, where M is the total mass of the object and yCM is the elevation of its center of mass above the chosen reference level.A pirate has buried his treasure on an island with five trees located at the points (30.0m,220.0m),(60.0m,80.0m),(210.0m,210.0m),(40.0m,230.0m), and (270.0m,60.0m), all measured relative to some origin, as shown in above figure. His ships log instructs you to start at tree A and move toward tree B, but to cover only one-half the distance between A and B. Then move toward tree C, covering one-third the distance between your current location and C. Next move toward tree D, covering one-fourth the distance between where you are and D. Finally move toward tree E, covering one-fifth the distance between you and E, stop, and dig. (a) Assume you have correctly determined the order in which the pirate labeled the trees as A,B,C,D, and E as shown in the figure. What are the coordinates of the point where his treasure is buried? (b) What If? What if you do not really know the way the pirate labeled the trees? What would happen to the answer if you rearranged the order of the trees, for instance,…