Two people are in bumper cars on opposite sides of a halfpipe, as shown below. Both are released from rest, and both bumper cars have a mass of 500 kg. The person in the red car, staring on the left side of the halfpipe, has a mass of 70 kg and starts 2 m above the bottom of the ramp. The person in the blue car, staring on the right side of the halfpipe, has a mass of 80 kg and starts 2.5 m above the bottom of the ramp. Upon colliding, the bumper cars bounce off one another. After the collision, the blue car returns to a height of 1.75 m above the bottom of the ramp. What is the height the red car reaches?

Two people are in bumper cars on opposite sides of a halfpipe, as shown below. Both are released from rest, and both bumper cars have a mass of 500 kg. The person in the red car, staring on the left side of the halfpipe, has a mass of 70 kg and starts 2 m above the bottom of the ramp. The person in the blue car, staring on the right side of the halfpipe, has a mass of 80 kg and starts 2.5 m above the bottom of the ramp. Upon colliding, the bumper cars bounce off one another. After the collision, the blue car returns to a height of 1.75 m above the bottom of the ramp. What is the height the red car reaches?

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