Chapter 2: Q79. (page 144)

TRAVEL A car travels $100$ miles east in $2$ hours and $30$ miles north in half an hour. What is the average speed of the car?

Short Answer

Expert verified

The average speed of the car is $52 milesperhours$ .

Step by step solution

Step 1. Given information.

A car travels $100$ miles east in $2$ hours and $30$ miles north in half an hour.

Step 2. Concept used.

Average speed of the car is:

$\frac{Totaldistancetravels}{Totaltimetakenintravels}$

Step 3. To find the average speed.

$\begin{array}{l} \frac{Totaldistancetravels}{Totaltimetakenintravels} \\ = \frac{100 miles + 30 miles}{2 hours + 0.5 hour} \\ = \frac{130 miles}{2.5 hours} \\ = 52 milesperhours \end{array}$

Hence, the average speed of the car is $52 milesperhours$ .

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TRAVEL A car travels $100$ miles east in $2$ hours and $30$ miles north in half an hour. What is the average speed of the car?

Short Answer

Step by step solution

Step 1. Given information.

Step 2. Concept used.

Step 3. To find the average speed.

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TRAVEL A car travels 100 miles east in 2hours and 30miles north in half an hour. What is the average speed of the car?

Short Answer

Step by step solution

Step 1. Given information.

Step 2. Concept used.

Step 3. To find the average speed.

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Applied Mathematics

Discrete Mathematics

Mechanics Maths

Probability and Statistics

Theoretical and Mathematical Physics

Calculus

Study anywhere. Anytime. Across all devices.

TRAVEL A car travels $100$ miles east in $2$ hours and $30$ miles north in half an hour. What is the average speed of the car?