Two carts are involved in an INELASTIC collision. The dynamics cart A with mass

Question

Two carts are involved in an INELASTIC collision. The dynamics cart A with mass 0.900 kg hits the collision cart B with mass 0.550 kg ( initially at rest ). The two carts collide and continue along together. If the dynamics cart had an initial velocity of 0.355 m/s, what is the final velocity of the two cart system?

A)The final velocity of the two cart system is.....m/s

B)The initial kinetic energy for cart A is...J
The initial kinetic energy for cart B is....J

C)The final kinetic energy for the two cart system (A and B) is ....J

D)Is kinetic energy conserved for inelastic collisions? Yes or No

E) Is momentum conserved for inelastic collisions? Yes or NO

Explanation / Answer

a) Vf = mA*vA/(mA+mB) b) keA = ½mA(vA)² c) keB = ½mB(vB)² d) kef = ½(mA+mB)(Vf)² e) No. This is a definition of inelastic collisions. f) Yes

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