The site from which an airplane takes off is the origin. The x axis points east; the y axis points straight up. The position and velocity vectors of the plane at a later time are given by
?
m and 
m/s.
?
The plane is most likely
A. just touching down.
B. in level flight in the air.
C. ascending.
D. descending.
E. taking off.
Answer: C
You might also like to view...
In a reversible martensitic transformation, the Gibbs free energy of the transformation is equal to _____________.
Fill in the blank(s) with the appropriate word(s).
What are the important relics of the lepton epoch? Why are they important?
What will be an ideal response?
Calculate Vout/Vin for the circuit if R = 2.0 k?, C = 0.020 ?F and V = 140 V sin(50,000t).
?
?
A. 0.02 B. 0.45 C. 0.80 D. 0.98 E. 2.2
Velocity: A bat, flying toward the east at 2.0 m/s, emits a shriek that is reflected back to it from a wall that is 20.0 m in front of the bat at the instant the shriek is emitted. Sound travels at 340 m/s in the air. How many milliseconds after emitting the shriek does the bat hear the reflected echo from the wall?
Fill in the blank(s) with the appropriate word(s).