### What speed do the two cars move after the collision

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A 0.2kg toy car rolls down ramp. If the car started from rest at a height of 0.30m, what is its speed at the bottom of the ramp? Incorrect: Your answer is incorrect. At the bottom, it hits another stationary car with equal mass. The two cars have Velcro and stick together. At what speed do the two cars move after the collision?

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