Projectiles are objects that are thrown or launched and are only under the influence of . * 6 points A propeller gravity A force pushing it along it's path external forces

Who was the first scientist to measure speed as distance over time?

Select the three ways that the parallel-plate capacitor differs from a car battery.

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=