2016 Pearson Education, Inc. Q3.11
The velocity and acceleration of an object at a certain instant are
v = (2.0 m/s>)i +(3.0 m/s) į
a =
= (0.5 m/s”) i – (0.2 m/s?) ·
At this instant, the object is
A. speeding up and following a curved path.
B. speeding up and moving in a straight line.
C. slowing down and following a curved path.
D. slowing down and moving in a straight line.
E. none of these.
© 2016 Pearson Education, Inc.