Results

What is the acceleration due to gravity at the space station.

Use the dynamic worksheet to practice simplifying expressions with fractional exponents, rewriting them as radicals.

Why do astronauts appear weightless despite being near the Earth?

This YouTube video explains how to calculate an irregular area on a map.

This YouTube video explains how to calculate a regular area on a map.

Basics of gravity and the Law of Universal Gravitation.

This online tutorial guides you through what information a map shows, map legends and the different types of maps which are available.

This unit is about how things move along a straight line or, more scientifically, how things move in one dimension. Examples of this would be the movement (motion) of cars along a straight road or of trains along straight railway tracks.

In this section, you will:

• Evaluate square roots.
• Use the product rule to simplify square roots.
• Use the quotient rule to simplify square roots.
• Add and subtract square roots.
• Rationalize denominators.
• Use rational roots.

Exercises requiring expressions to be re-written in 'Simple Radical Form'.