Question

A change in position in relation to a reference point is:

a. acceleration
b. displacement
C. speed
d. velocity
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Answer 1

An object is in motion if it changes position relative to a reference point. You assume that the reference point is stationary, or not moving. Frame of Reference Speed If you know the distance an object travels in a certain amount of time, you can calculate the speed of the object. Speed! Hope this helped

Answer 2

it would be b. displacement