Question

POUM7077012
The diagram shows the masses and velocities of two trolleys about to collide.
1 ms-1
4ms-1
4 kg
2 kg
After the impact they move off together.
What is the total kinetic energy of the trolleys after the collision?
D
19 J
A 1.3J
B
12 J
с
18 J​

Answer 1

Answer:

what???? you have photos of this