Speed Magic Triangle Concepts

The video tutorial introduces the Speed Magic Triangle, a tool to solve problems involving speed, distance, and time. The triangle helps derive formulas for calculating speed, distance, and time by covering the desired variable. An example problem demonstrates how to calculate the average speed of a car traveling 75 miles in 3.5 hours, resulting in a speed of 21.4 miles per hour after rounding.

What is placed at the top of the Speed Magic Triangle?

• Speed

• Distance

• Time

• None of the above

In the Speed Magic Triangle, where is the speed located?

• Bottom left

• Top

• Bottom right

• Center

How do you calculate speed using the Speed Magic Triangle?

• Speed multiplied by time

• Time divided by distance

• Distance divided by time

• Distance multiplied by time

If you need to find the time, which formula would you use?

• Speed divided by distance

• Distance divided by speed

• Speed multiplied by distance

• Time divided by speed

What is the formula for calculating distance using the Speed Magic Triangle?

• Speed divided by time

• Time divided by speed

• Distance divided by speed

• Speed multiplied by time

In the example problem, what is the distance traveled by the car?

• 50 miles

• 150 miles

• 75 miles

• 100 miles

How long did the car take to travel 75 miles in the example problem?

• 3.5 hours

• 3 hours

• 2 hours

• 4 hours

What is the average speed of the car in the example problem?

• 22 mph

• 20 mph

• 23 mph

• 21.4 mph

How is the time represented in the example problem?

• 3.5 hours

• 3 hours

• 4.5 hours

• 4 hours

What is the rounded average speed of the car to three significant figures?

• 21.7 mph

• 21.6 mph

• 21.5 mph

• 21.4 mph