A toy car has a 50 g body and four solid wheels, each with a mass of 5 g and a radius of 7 mm. The car is accelerated into a vertical ramp that is 0.5 m tall, and the car rises to a height of 1.5 m before falling back down. Assuming the car's wheels spin at the same rate after leaving the end of the ramp as they had just before leaving the end of the ramp, and neglecting any drag/air resistance, what was the speed of the car at the bottom of the ramp? 6.235 m/s

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