5
lesson pretestMultiple Choice

Pretest

Question 5 • Physical Science

Kiley went 5.7 km/h north and then went 5.8 km/h west. From start to finish, she went 8.1 km/h northwest. Which best describes her numbers?

Answer
A
5 point 7 km/h north and 5 point 8 km/h west are instantaneous speeds, while 8 point 1 km/h northwest is the average speed.
B
5 point 7 km/h north and 5 point 8 km/h west are average speeds, while 8 point 1 km/h northwest is the instantaneous speed.
C
5 point 7 km/h north and 5 point 8 km/h west are average velocities, while 8 point 1 km/h northwest is the instantaneous velocity.
D
5 point 7 km/h north and 5 point 8 km/h west are instantaneous velocities, while 8 point 1 km/h northwest is the average velocity.
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