~~~Now I'm Really Stuck~~~
The supersonic aircraft Concorde has a length of 61.2 m when sitting on the ground on a typical day when the temperature is 16.0 °C. The Concorde is primarily made of aluminum. In flight at twice the speed of sound, friction with the air warms the Concorde's skin and...
A square is cut out of a copper sheet. The square is heated uniformly. As a result, it turns into
a) a square with a larger area
b a square with a smaller area
c a rectangle with a larger area
d a rectangle with a smaller area
i fink its a =(
wut do u guys think?