Nylon is a “big” covalent molecule used to make backpacks. which property of covalent compounds is most useful in making backpacks? a: soft. b: brittle. c: low melting point. d: nonconductor of electricity

Why should seat belts not be mandatory quick plz

The material that keeps its new shape after it is stretched is called?

Atypical jetliner lands at a speed of 146 mi/h and decelerates at the rate of (10.4 mi/h)/s. if the jetliner travels at a constant speed of 146 mi/h for 1.5 s after landing before applying the brakes, what is the total displacement of the jetliner between touchdown on the runway and coming to rest?