An electric field is given by E = xy-a, -xz²a, + xyzd,.
Calculate the x component of its curl at (2, 1, 3)​

10 newton object is placed 3 meters from the fulcrum. at what distance on the other side would you need to place a 15 newton object to balance the lever? show your work!

Within a pendulum, as potential energy decreases, energy increases. a. heat b. kinetic c. frictional d. gravitational

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects