# example problems

## Slope Intercept Form – Equation of a Line Example1

Slope intercept form is a function of a straight line  with the form y = mx + b where m is the slope of the line and b is the y-intercept. Slope refers to how steep the line changes as the values of x change where the y-intercept is where the […]

## SOHCAHTOA Example Problem – Trigonometry Help

SOHCAHTOA is the mnemonic used to remember which sides of a right triangle are used to find the ratios needed to determine the sine, cosine or tangent of an angle. Here are a pair of SOHCAHTOA example problems to help show how to use these relationships. If you have no […]

## Vertical Motion Example Problem – Coin Toss Equations of Motion1

This equations of motion under constant acceleration example problem shows how to determine the maximum height, velocity and time of flight for a coin flipped into a well. This problem could be modified to solve any object tossed vertically or dropped off a tall building or any height. This type […]

## Friction Example Problem – Physics Homework Help3

Friction is the resistance force generated between two bodies as they move across each other. It is proportional to the force that presses the two bodies together. This diagram shows the forces acting on a block sitting on a surface. The block is pulled down onto the surface by the […]

## Calculate Percent Error5

Percent Error Definition Percent error, sometimes referred to as percentage error, is an expression of the difference between a measured value and the known or accepted value. It is often used in science to report the difference between experimental values and expected values. The formula for calculating percent error is: […]