Lesson: SI Unit Multiples and SubmultiplesPhysics
In this lesson, we will learn how to convert from a unit with a given SI prefix to the same unit with a different SI prefix.
Sample Question Videos
A person in good physical condition can provide W of useful electrical power by doing mechanical work, neglecting any problems of generator efficiency and practical considerations such as resting time.
How many people would it take to run an electric clothes dryer of power 4.00 kW?
How many people would it take to replace a large electric power plant that generates 800 MW?
A device called an insolation meter is used to measure the intensity of sunlight. It has an area of 100 cm2 and registers 6.50 W. What is the intensity in watts per square meter?
The density of gold is 19.3 g/cm3. What is the density in kilograms per cubic meter?