Question

3.
Which of the following is true for the displacement of an object?
A.
It is always equal to the distance the object moved between its initial and
final positions.
B. It is both the straight-line distance the object moved as well as the
direction of its motion.
c. It is the straight-line distance the object moved between its initial and
final positions.
D. It is the direction the object moved between its initial and final positions.​

Answer 1

Explanation:

Suppose a train is moving along a track. Is there a single, correct reference frame from which to describe the train’s motion?

a)Yes, there is a single, correct frame of reference because motion is a relative term.

b)Yes, there is a single, correct frame of reference which is in terms of Earth’s position.

c)No, there is not a single, correct frame of reference because motion is a relative term.

d)No, there is not a single, correct frame of reference because motion is independent of frame of reference.

Answer 2

Answer:

c)

Explanation:

it is the shortest distance measured from the initial to the final position of an object