Sports car momentum question?

Buster asked:
A sports car traveling along a straight line increases its speed from 19.7 mi/h to 59.7 mi/h. What is the ratio of the final to the initial magnitude of its momentum?
What is the ratio of the final to the initial kinetic energy?

Is The Mazda RX-8 A Sports Car?

Dan[In]Distress asked:
Is it?
Cause my dad said i can get any car under 20 grands, and isnt a sports car (thats twenty grand used, so any car near that kind of price)
If it is, can you give me some cars, i would like?
These are my standards:
-HAS to be a coupe (NO sedans or anything bigger)
-No [...]

Best flashy sports car?

CayleeJo asked:
what’s the best flashy, noticeable car, I don’t car about repairs, $$$ or anything else, just how it looks……… and will it always be this popular as it is now? I have a 74′ Red Camaro, but who knows about a NEW sports car, exotic……Along the lines of Porsche, Dodge Viper, etc.