19 February, 12:36
A 2kg 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
19 February, 13:59
Mass of first blob = 2kg = m1
Velocity of blob = 4m/s = v1
Mass of second blob = 6kg = m2
Velocity of blob = 0m/s = v2
Final velocity = Vf
This question is of inelastic collision which is any collision between objects in which some energy is lost.
Formula to be use: (m1*v1) + (m2*V2) = Vf (m1 + m2)
(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
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» A 2kg 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