Question

A car of mass 700 kg and movie at a speed of 30 m per 2nd collides with a stationary truck of mass 1400 kg and the 2 vehicles locked together on impact and the combined velocity of the car and the truck after the collision is what

Answer 1

10m/s

Step-by-step explanation:

(m1)(v1)+(m2)(v2)= (m1+m2)(v[final])

(700)(30)+(1400)(0)= (700)(v)+(1400)(v)

21000= 2100v

v=10m/s