A 9500kg car traveling at 16m/s strikes a second car. The two stick together and move off with a speed of 6.0m/s. What is the mass of the second car?

3 answers

15833kg
(m1v1)+9m2v2)=v (m1+m2)
(m1v1)+(m2v2)=v (m1+m2)

v2 cancles put so now use

M1V2= V (M1+M2)