Lesson: Comparing Values of Physical Quantities Physics • 9th Grade
In this lesson, we will learn how to compare values as ratios, fractions of each other, and as percentages of each other.
Sample Question Videos
The ratio of the mass of a proton to the mass of an electron is 1,836. What is the ratio of the mass of the electron to that of the proton? Answer to five decimal places.
A solar power station is able to generate electrical power for 16 hours of a summer day. What fraction of the day does the power station generate electrical power for? Answer to two decimal places.
A pendulum takes 5 seconds to complete one oscillation. A shorter pendulum takes only 1 second to complete an oscillation. What is the ratio of the shorter pendulum's period to the longer pendulum's period?