Chapter 0, Problem 41P

To determine

To write:the metric unit of length for the given objects.

Answer to Problem 41P

The width of DVD player should be measured in centimeter.

Explanation of Solution

Given:

Width of a DVD player

Calculation:

There are 2 systems for measurement, one is customary system and other is metric system.

Customary has been used historically for various measurements, while metric system is widely accepted due to ease of calculations.

Various units of length in metric system are millimeter, centimeter, meter, kilometer, etc.

The reason for its popularity is ease of conversion factors

DVD player is small object whose width is comparable to dimensions of object like sheet of paper which is measured in centimeters, otherwise if larger units are used; it is to be dealtwith big decimals.

Thus, it is reasonable to say that width of DVD player should be measured in centimeter.

Conclusion:

Hence, the width of DVD player should be measured in centimeter.