TCM U6 - Quiz 6.1

How would you work out the overall stopping distance?

• reaction distance + braking distance

• reaction distance - braking distance

• reaction distance x braking distance

• none of the above

Tags

CCSS.8.EE.C.7B

Which of these will be increased by making a car travel faster?

• Reaction distance and braking distance

• Reaction distance only

• Braking distance only

• Neither

If a car’s braking distance at 20 mph is 23.44 ft, what will the braking distance be at 40 mph?

• 23.44 ft

• 46.88 ft

• 93.69 ft

• 140.53 ft

Tags

CCSS.8.EE.A.2

By how much does the thinking distance increase going from a speed of 30mph to 50mph?

• 20ft

• 50ft

• 80ft

• 100ft

Tags

CCSS.HSF-LE.A.1B

By how much does the braking distance increase going from a speed of 30mph to 50mph?

• 20ft

• 50ft

• 80ft

• 100ft

By how much does the stopping distance increase going from a speed of 30mph to 50mph?

• 20ft

• 50ft

• 80ft

• 100ft

Tags

CCSS.HSF-LE.A.1B

Icy roads and bad tires

• Increase reaction distance

• Increase braking distance

• Increase both

A driver has a reaction time of 0.5 seconds. What is her thinking distance if she is driving at 30 mph?

• 44 ft

• 22 ft

• 30 ft

• 15 ft

If the thinking distance is 40 ft and the stopping distance is 200 ft, what is the braking distance?

• 240 ft

• 160 ft

• 50 ft

• 80 ft

Tags

CCSS.8.G.B.8

If the thinking distance is 88 ft and the reaction time is 1 second, what speed was the driver going at?

• 45 mph

• 30 mph

• 60 mph

• 15 mph

Tags

CCSS.8.EE.C.7B