Multiple Choice
The vector indicates the instantaneous displacement of a projectile from the origin. At the instant when the projectile is at
, its velocity and acceleration vectors are
and
. Which statement is correct?
A) is always perpendicular to
.
B) is always perpendicular to
.
C) is always perpendicular to
.
D) is always perpendicular to
.
E) is always perpendicular to
.
Correct Answer:

Verified
Correct Answer:
Verified
Q13: A stunt pilot performs a circular dive
Q14: A 0.20-km wide river has a uniform
Q15: A projectile starts at the coordinate origin,
Q16: Two cars are traveling around identical circular
Q17: Exhibit 4-2<br>Newton approximated motion in a circle
Q19: A car travels in a due northerly
Q20: A carnival Ferris wheel has a 15-m
Q21: A tennis player standing 12.6 m from
Q22: In a location where the train tracks
Q23: Given the equations below, which description best