Arectangular coil that has a length of 18.0 cm and a width of 6.5 cm containing 11 loops lies flat on your desk as shown on this page. a uniform magnetic field of magnitude 5.20 × 10 − 5 t points towards the right of this page. if a 6.50-a counterclockwise current flows through the coil, (a) determine the torque on the coil.\

What is the coefficient of kinetic friction μk between the block and the tabletop?

Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=

Scientists follow specific processes in order to determine valid explanations and conclusions from observations. david observed strange lights in the sky above his home outside of roswell, new mexico. the only explanation that makes sense to him is that there are ufos in the area. what should david do next to verify his explanation?