Kinematics

Which of the following quantities is a vector quantity?

• 12 m/s

• 12 seconds

• 12 km

• 67 mph North

Which of the following is a scalar quantity?

• 34 km/hr South

• 16 m West

• 52 m/s

• 1.2 m/s² North

The SLOPE of a position vs time graph tells you...

• The distance an object travels

• The velocity of an object

• The acceleration of an object

Which of the following equations is correct?

• v=t/d

• v=d/t

If an object travels 12 km/hr South for 2 hours, what is the object's displacement from its original position?

• 6 km

• 12 km

• 24 km

• 8 km

If an object travels 15 m over 5 seconds, what is the object's speed?

• 75 m/s

• 5 m/s

• 3 m/s

• 0.33 m/s

If an object travels at a velocity of 2 mph, how long will it take the object to travel 10 miles?

• 5 hours

• 20 hours

• 0.2 hours

• 12 hours

Ms. H and Ms. Powers having a race to see who can run 1 mile faster. When the race starts, Ms. Powers runs in a straight line. Ms. H, however, gets chased by a bee and runs in a zig zag path. Who ran a further distance?

• Ms. H

• Ms. Powers

A car travels 12 miles East and stops for gas. Then, the car travels 5 miles West and stops for food. What is the car's displacement?

• 17 miles

• 7 miles

• 2 miles

• 60 miles

What is the difference between velocity and speed?

• Speed has a magnitude and a direction. Velocity only has a magnitude.

• Speed has a magnitude. Velocity has a magnitude and a direction.

• Nothing, they are the same.