Asked by killi
Carts of mass 3 kg and 10 kg move on a frictionless horizontal track with speeds of 4 m/s and 3 m/s, respectively. The carts collide and stick together. Find:
a) The velocity of the carts just after collision.
b) The loss of kinetic energy due to the collision.
a) The velocity of the carts just after collision.
b) The loss of kinetic energy due to the collision.
Answers
Answered by
bobpursley
conservation of momentum applies
a. M1V1+m2V2=(m1+m2)Vf
solve for vf
loss of KE= initial KE-finalKE
= 1/2 [m1(v1)^2 + m2(V2)^2 - (m1+m2)(Vf)^2 ]
a. M1V1+m2V2=(m1+m2)Vf
solve for vf
loss of KE= initial KE-finalKE
= 1/2 [m1(v1)^2 + m2(V2)^2 - (m1+m2)(Vf)^2 ]
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