PLEASE HELP A 0.200kg plastic ball moves with a velocity of 0.30 m/s . It collides with a second plastic ball of mass 0.1200 Kg , which is moving along the same line at a speed of 0.10 m/s * A * f * t * e * r the collision , both balls continue in the same direction and the speed of the 0.1200 K B ball is 0.26 m/s . What is velocity of the first ball after the collision?​

An automobile steering wheel is shown. what is the ideal mechanical advantage? if the ama is 8, what is the efficiency of the steering wheel?

How many times did thomas edison mess up the light bulb

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=