5) Your little cousin got a new toy car track for their birthday. To use the new track, a toy car (m = 750 g) compresses a spring and when released it travels on the track. The spring has a spring constant of 95 N/m and the spring is compressed by 6.5 cm. How fast is the car moving when the spring is released is we assume the track is flat and frictionless? If the track is not frictionless and the car is moving at half the speed initially calculated when the spring is released, by how much is the spring compressed if 25 J of energy is lost due to friction? %3D

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