How does connecticut energy affect the stopping distance of a vehicle traveling at 30 mph compared to the same vehicle traveling at 60 mph?

In a bumper car arena, two cars of equal mass are heading straight toward each other. the orange one is traveling at a speed of 5 meters per second. the green one is traveling at a speed of 2 meters per second. which of the forces most affects the motion of the bumper cars after they collide? a) gravity b) friction c) the other car d) wind resistance

Zeros that follow non-zeros numbers and are also to the right of a decimal point are significant

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity