PE Exam Practice Problem

Calculating the Velocity of a Falling Ball | FE Exam Prep

May 19, 2022 by Anthony Fasano, P.E. Leave a Comment

In this article, (and video above), we calculate the velocity of a falling ball. A question on this topic would typically be found in the Dynamics section of the FE Exam and therefore will give you a better understanding of what you can expect during the exam. This week’s problem was created and solved by Enrique Ivers, an Engineer in Training.

Question:

The velocity (in m/s) of a falling ball is described by the equation:

What is the acceleration at time t=2s?

Solution:

PE Exam Practice Problem: Water Resources Wetted Perimeter

February 3, 2021 by Anthony Fasano, P.E. Leave a Comment

In this Pass the PE Exam post, I am going to solve a Wetted Perimeter problem that is part of the Water Resources section that you will encounter on the PE Exam. The term wetted perimeter is common in civil engineering, environmental engineering, hydrology, geomorphology, and heat transfer applications; it is associated with the hydraulic diameter or hydraulic radius. The wetted perimeter is defined as the length of the line representing the interface between a fluid and a channel.

Calculating the Velocity of a Falling Ball | FE Exam Prep

Question:

Solution:

PE Exam Practice Problem: Water Resources Wetted Perimeter

Here’s The Wetted Perimeter Problem:

Here’s The Solution: