There was a head-on collision between a compact hybrid car and a SUV. According to Newton’s 3rd law, the force exerted on each other is the same.

So, why are people in the smaller car more likely to get injured than those in the large one, assuming both cars are equally strong?

Vocabulary: inertia, mass, acceleration, force, unbalanced, balanced, Newton's 2nd Law

Samir watches a 100-minute movie on his spaceship. maria's spaceshipe flies in the same direction as samir's spaceship but she observes his move to last 125 minutes and his spaceship to be 40 m long. how long does samir observe his own spaceship to be? according to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does marias voyage take according to samir?