Multiple Choice
Each of two vectors, and
, lies along a coordinate axis in the xy plane. Each vector has its tail at the origin, and the dot product of the two vectors is
. Which possibility is correct?
A) and
both lie along the positive x axis.
B) lies along the positive x axis.
lies along the negative x axis.
C) and
both lie along the positive y axis.
D) lies along the negative x axis.
lies along the negative y axis.
E) lies along the positive y axis.
lies along the negative x axis.
Correct Answer:

Verified
Correct Answer:
Verified
Q15: A 2.5-kg object falls vertically downward in
Q23: A force acting on an object moving
Q24: Each of two vectors, <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8847/.jpg" alt="Each
Q25: A 2.0-kg particle has an initial velocity
Q27: A constant force of 15 N in
Q28: If <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8847/.jpg" alt="If =
Q29: A block slides on a rough horizontal
Q31: A 3.0-kg block is dragged over a
Q62: A champion athlete can produce one horsepower
Q71: If the scalar (dot) product of two