What is a differential equation, the pendulum equation, and some basic numerical methods

In this video Paul Andersen explains how the kinetic energy gained by an object is equivalent to the work done on the object. The force on the object must act parallel or antiparallel to the motion of the object to do work. Several...

What is a differential equation, the pendulum equation, and some basic numerical methods

In this video, I walk you through my general suggestions for how to solve physics problems — the same step-by-step process I teach my students to help them succeed in AP Physics and beyond. We cover everything from setting up your...

Master the fundamentals of AP Physics 1 Unit 1: Kinematics with this clear, example-driven walkthrough of common stumbling blocks students face. We’ll break down how instantaneous velocity differs from average velocity, why “negative...

Master the fundamentals of motion in a straight line with this summary of 7 key kinematics lessons. Includes solved problems, essential tips, and downloadable PDFs—ideal for JEE, NEET, and AP Physics students seeking conceptual clarity...

Pupil outcome: I can evaluate different problems to ascertain when rearranging a formula is beneficial. Key learning points: - Formulae are used in a variety of places, such as the science lab but also in factories. - Rearranging the...

Explore Torricelli’s Theorem in a real-world experiment with a rain barrel! Learn how to derive the equation, calculate fluid speed, and apply it to projectile motion to predict where water will land. This hands-on demonstration brings...

This content outlines a strategy to solve a physics problem involving two cars moving towards each other, where one car has constant velocity and the other has constant acceleration. It explains how to determine the initial velocity and...

This content outlines a two-phase approach to analyze a parachutist's descent: an initial period of free fall followed by a phase of deceleration after parachute deployment. It explains how to calculate the time spent in the air and the...

This content addresses a physics problem focused on the vertical motion of a thrown ball. It outlines how to determine both the time to reach maximum height and the maximum height achieved by the ball, by applying kinematic equations and...

This content outlines a solution strategy for a physics problem involving two particles moving along the x-axis with different kinematic descriptions. It explains how to determine their velocities by differentiating position (for...

This content addresses a physics problem focused on one-dimensional motion with constant retardation. It outlines how to calculate the specific distance covered by a particle during the third second of its motion, given its initial...

This content outlines a two-phase approach to analyze the motion of a car that first accelerates from rest and then decelerates to a stop. It details how to calculate the time taken and distance covered in each phase, using kinematic...

This content analyzes the projectile motion of a ball thrown towards a wall. It details how to calculate the height at which the ball hits the wall, its horizontal and vertical velocity components at impact, and determines whether the...

This content explains how to calculate the normal force on a box inside an accelerating elevator system using Newton's Laws of Motion. It details how to first determine the system's acceleration from the forces on one cab, then apply...

This content explains how to analyze forces on an inclined plane for a loaded box, differentiating between static and kinetic friction. It demonstrates calculations for the minimum force to prevent sliding down, the force to initiate...

Explore projectile motion in two dimensions with detailed derivations, formulas, and solved numericals. Understand how horizontal and vertical components shape the parabolic trajectory under gravity

Unpack how objects accelerate under Earth’s gravity with g ≈ 9.8 m/s². This lesson explores motion near Earth’s surface, signs of g, and common misconceptions—plus why astronauts feel weightless in orbit!

Master motion under constant acceleration with clear derivations of the kinematic equations (v = v₀ + at, s = v₀t + ½at², etc.). Learn how to apply them to solve motion problems with intuitive visual aids and examples.

Delve into instantaneous acceleration, the rate at which velocity changes at an instant. Learn to derive it from velocity-time graphs and understand how it differs from average acceleration.

Learn how to use parametric equations to solve projectile motion problems in this informative and engaging video. We’ll explore the concepts of initial speed, angle of projection, and height above the horizontal to model the path of a...

Acceleration is the rate of change in velocity over time. Acceleration can be calculated using the formula a=vf-vi/t. Acceleration can be positive, which means speeding up, negative which means slowing down and it can also be 0 which...

Ready to ace the AP Physics 1 exam? In this Unit 4 review, we break down everything you need to know about linear momentum, impulse, and types of collisions. We'll cover key concepts like momentum as a vector, Newton's Second Law in...