2. A 1.2 kg cart moving at 6.0 m/s [E] collides with a stationary 1.8 kg...

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2. A 1.2 kg cart moving at 6.0 m/s [E] collides with a stationary 1.8 kg cart. The head-on collision is completely elastic and is cushioned by a spring. a. Find the velocity of each cart after the collision. b. The maximum compression of the spring during the collision is 2.0 cm. Find the spring constant. 3. A 0.50 kg magnetic puck moving at 4.0 m/s [E] is sliding on a frictionless horizontal air table. It undergoes an elastic head-on collision with another magnetic puck of mass 0.90 kg, moving at 3.0 m/s [W]. Find the velocity of each puck after the collision. 4.0 m/s [E] -3.0 m/s [W] 2. A 1.2 kg cart moving at 6.0 m/s [E] collides with a stationary 1.8 kg cart. The head-on collision is completely elastic and is cushioned by a spring. a. Find the velocity of each cart after the collision. b. The maximum compression of the spring during the collision is 2.0 cm. Find the spring constant. 3. A 0.50 kg magnetic puck moving at 4.0 m/s [E] is sliding on a frictionless horizontal air table. It undergoes an elastic head-on collision with another magnetic puck of mass 0.90 kg, moving at 3.0 m/s [W]. Find the velocity of each puck after the collision. 4.0 m/s [E] -3.0 m/s [W]