A bumper car with a mass of 150 kg is moving forward at 10 m/s. It collides with a stationary bumper car with a mass of 200 kg. After the collision, the 200 kg bumper car moves forward at 8.0 m/s. Does the 150 kg bumper car continue to move forward or start to move backward after the collision?

The freezing and boiling point of a substance changes as the air pressure around it changes. for example, at a lower air pressure (higher altitude) it is easier for water molecules to escape from liquid into the air. in a high altitude city such as denver, colorado compared to a sea-level city such as houston, texas, water