A2kg blob of putty moving at 4 m/s slams into a 6kg blob of putty at rest what is the speed of the to stick together blobs immediately after colliding

1m/s

Given that:

Mass of first blob = 2kg = m1

Velocity of blob = 4m/s = v1

Mass of second blob = 6kg = m2

Velocity of blob = 0m/s = v2

To find:

Final velocity = Vf

This question is of inelastic collision which is any collision between objects in which some energy is lost.

(2*4) + (6*0) = Vf(2+6)

8 + 0 = Vf(8)

8 = Vf(8)

Vf = 1 m/s

So the speed of two blobs immediately after colliding = 1 m/s

causes

fossil fuels burn

cities become more industrialized

human population grows worldwide

this would be about 43%