Asled weighing 1.0 n is held in place on a frictionless 20.0° slope by a rope attached to a stake at the top. the rope is parallel to the slope. what is the normal force of the slope acting on the sled?

What is a possible result of higher air temperature caused by global warming

How much energy is supplied to each coulomb of charge that flows through a 12-v 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=