Apoint charge q_1=-4.00\; {\rm nc} is at the pointx = 0.600 meters, y = 0.800 meters, and a second pointcharge q_2=+6.00\; {\rm nc} is at the pointx = 0.600 meters, y = 0.

a)calculate the magnitude e of the net electric field at the origin due tothese two point charges.

b)what is the direction, relative to the negative x axis, of the net electric field at the origin due to these two pointcharges.

This problem has been solved! see the answera non-uniform fire escape ladder is 6.0m long whenextended to the icy alley below. it is held at the top by africtionless pivot, and there is neglibible frictional force fromthe icy surface at the bottom. the ladder weighs 250n, and it'scenter of gravity is 2.0m along the ladder from the bottom. amother and child of total weight 750n are on the ladder 1.5m fromthe pivot. the ladder makes an angle θ with the horizontal.find the magnitude and direction ofa) the force exerted by the icy alley on the ladderb) the force exerted by the ladder on the pivotc) do your answers in part a and b depend on the angle?

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant

In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque