Jack and Jill are both traveling straight north. Jack is walking at 4 mph, while Jill is riding a bicycle at 12 mph. Regarding their speeds and velocities:
A) they have different speeds and different velocities.
B) they both have the same speed and the same velocity.
C) they both have the same speed but different velocities.
D) they have different speeds, but the same velocity.
E) None of the above.

Question

Quizplus · Accepted Answer

Jack and Jill have different speeds (4 mph vs. 12 mph) and different velocities because velocity includes both speed and direction, and while they share the same direction, their speeds are different.

Jack and Jill Are Both Traveling Straight North