F=xyi+yj+zk a) Not conservative b) ConservativeConservative Vector Field:For determining the conservative vector field, we need to compute the curl of the vector field. If the result of the curl of the vector field is zero, then it is the conservative vector field. ...
If non-conservative forces do the work, both mechanical energy and total energy are not conserved. ()A.正确B.错误的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机刷题,以
Test the vector field F to determine if it is conservative. F=8x8y3i+(3x8y2+z6y2)j−6z5yk Conservative Forces Vector fields are the mathematical representation of forces. The given 3-dimensional force F(x,y,z) is conservative if it satisfi...
然后对朋友很大方,不能很自私的,要对朋友很友好,要乐于助人 I believed that, took others the friend, first must for the opposite party conservative secret, let the friend trust you.Then is very natural to the friend, cannot very selfish, must be very friendly to the friend, must be glad ...
George F. Will
social captial social care act social circumstances social classes social conservative social constructive c social contact luxuri social diagnosis social disadvantaged social discontent social dynamics social effects of pol social entrepreneursh social equity and jus social exchange theor social exchanges socia...
Determine whether F is conservative. If so, find a function f such that F = \nabla f, F(x, y)=(4x^3 + 7y)i+(5x - 4y^3)j. Find a function f(x,y) for which \nabla f(x,y) = (3 + 2xy)i + (x^2 - 3y^2)j
Conservative leader Kemi Badenoch says she supports Sir Keir Starmer's efforts this weekend and calls Volodymyr Zelenskyy "a hero". She says she and the PM disagree on many areas but "now is the time for us to discuss where we do agree". ...
a中国的思想比较保守 China's thought quite is conservative [translate] aDue to the heavy volume of orders we have received this holiday season, we are no longer offering immediate customer service over the phone. We have made this decision to speed up order processing and get the items you'...
2009). We preferred to take a conservative approach by excluding these studies. Statistical analyses We performed statistical analyses in R v. 3.6.1 (R Core Team 2019) using R Studio v. 1.1.453 (RStudio Team 2015) and used the R package metafor (Viechtbauer 2010) for meta-analyses. ...