9yffq56pxm 9yffq56pxm 11-12-2022 Physics Answered WILL GIVE BRAINLIEST PLS HELPPP !!! A 2,713 kg van runs into the back of a 843 kg compact car at rest. They move off together at 6.9 m/s. Assuming the friction with the road is negligible, calculate the initial speed of the van.