8) In a bumper car arena, two cars of equal mass are heading straight toward each other. The orange car is traveling at a veloci
ty of 5 m s . The green car is traveling at a velocity of 2 m s . After the collision, both cars move off in the direction in which the orange car was travelling with a velocity of 1.5 m s . Which car has the largest change in velocity? A) green, because its velocity was slower
B) green, because it changed direction
C) orange, because it changed direction
D) neither, because they both change equally
Kepler's first law means that planets move around the Sun in elliptical orbits. An ellipse is a shape that resembles a flattened circle. ... It is zero for a perfect circle.
