Dodgem car A collides dodgem car B and imparts an impulse of 350Ns NORTH on it. . If dodgem car B was traveling with a momentum of 150Ns SOUTH before the collision, what magnitude of momentum does dodgem car B have after the collision?

An ideal polarizer with its transmission axis rotated 30 degrees to the vertical is placed in a beam of unpolarized light of intensity 10w/m^2. after passing through the polarizer, what is the intensity of the beam? a. 8.7 w/m^2 b. 7.5 w/m^2 c. 5.0 w/m^2 d. 10 w/m^2 e. 2.5 w/m^2

True or false graphs must include scales that increase by the same amount

Consider a system to be two train cars traveling toward each other. what is the total momentum of the system before the train cars collide?   kg • what must the total momentum of the system be after the train cars collide?   kg •