An airplane with an airspeed of 140 km/h has a heading of 50 west of north in a wind that is blowing toward the east at 25 km/h. What is the groundspeed of the plane?
What will be an ideal response?
Question 2
There are no known exceptions to
A) the law of conservation of energy.
B) Newton's law of motion.
C) Both of the above.
D) Nonsense--all physical principles have known exceptions.
