Three light bulbs are connected one after the other in a circuit and all three bulbs are lit up at the same time, if the middle bulb burns out

What is the measure of a change in an objects velocity?

Which accurately compares concave and convex lenses?

Two rigid transformations are used to map δhjk to δlmn. the first is a translation of vertex h to vertex l. what is the second transformation? a reflection across the line containing hk a rotation about point h a reflection across the line containing hj a rotation about point k