A red bumper car that weighs 700kg is traveling at 5m/s toward a blue bumper car of a mass 500kg traveling at -3m/s if the 700kg Red car is traveling at 1m/s after the collision what is the final velocity of the 500kg car?

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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=