Ms. Patel's Unit 5 Test #2 Forces and Motion

Molly drives 100 km for 2 hours, rests for 0.5 hours and finishes her trip by driving an additional 75 km in 1 hour. What was her average speed during her car trip in km/hr?

• 45 km/hr

• 50 km/hr

• 55 kn/hr

• 60 km/hr

What is the average speed of the rolling soccer ball?

• 1 m/s

• 2 m/s

• 0.2 m/s

• 0.5 m/s

Fido got out of his fenced yard and went wandering.What was the fastest segment of Fido's day outside the fence as he ran away?

• A-B

• B-C

• C-D

• D-F

What likely happened at points B-C?

• He stopped

• he ran quickly

• he walked slowly

• he ran back home

When a basketball is thrown into the air toward the hoop the ball will

• slow down, change direction, then speed up as it falls to the ground.

• speed up, keep its same direction, and then slow down as it falls to the ground

• travel at the same speed until it hits the ground

• travel in the same direction until it hits the ground

The energy related to the motion of an object is called-

• potential energy

• kinetic energy

• electrical energy

• chemical energy

On a speed/time graph, what does a straight diagonal line mean?

• constant speed

• increasing speed

• stopping

• decreasing speed

On a speed/time graph, what does a flat line mean?

• Constant speed

• stopping

• increasing speed

• decreasing speed

On a distance/time graph, which image shows an object not moving?

• A

• B

• C

On a distance/time graph, which shows an object's speed increasing?

• A

• B

• C