Question

Which information is necessary to determine an object's speed?

A.
distance and period of time


B.
distance and change in position


C.
period of time and direction


D.
distance and direction

Answer 1

a

Step-by-step explanation:

Answer 2

Actually the answer is A. distance and period of time.

This is because to find the true speed of an object you of course need to know the distance, but you also need to know that period of time that it takes for the object to travel a certain distance.

Hope this helps!