In solving a physics problem you end up with m in the numerator and m/s in the denominator. The units for your answer are
A) m2/s.
B) m2.
C) m.
D) s.
E) 1/s.
Question 2
An airplane flies 160 km at a constant altitude in a direction 30.0 north of east. A wind is blowing that results in a net horizontal force on the plane due to the air of 2.40 kN in a direction 10.0 south of west.
How much work is done by the air on the plane? A) -3.61 108 J
B) -1.31 108 J
C) -2.94 108 J
D) 2.94 108 J
E) 1.15 108 J