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## Unit 1: One-dimensional motion

About this unit, introduction to physics.

- Introduction to physics (Opens a modal)
- What is physics? (Opens a modal)
- Preparing to study physics (Opens a modal)

## Displacement, velocity, and time

- Intro to vectors and scalars (Opens a modal)
- Introduction to reference frames (Opens a modal)
- What is displacement? (Opens a modal)
- Calculating average velocity or speed (Opens a modal)
- Solving for time (Opens a modal)
- Displacement from time and velocity example (Opens a modal)
- Instantaneous speed and velocity (Opens a modal)
- What is velocity? (Opens a modal)
- Position vs. time graphs (Opens a modal)
- What are position vs. time graphs? (Opens a modal)
- Average velocity and average speed from graphs Get 3 of 4 questions to level up!
- Instantaneous velocity and instantaneous speed from graphs Get 3 of 4 questions to level up!

## Acceleration

- Acceleration (Opens a modal)
- What is acceleration? (Opens a modal)
- Airbus A380 take-off time (Opens a modal)
- Airbus A380 take-off distance (Opens a modal)
- Why distance is area under velocity-time line (Opens a modal)
- What are velocity vs. time graphs? (Opens a modal)
- Acceleration vs. time graphs (Opens a modal)
- What are acceleration vs. time graphs? (Opens a modal)
- Acceleration and velocity Get 5 of 7 questions to level up!

## Kinematic formulas and projectile motion

- Average velocity for constant acceleration (Opens a modal)
- Acceleration of aircraft carrier take-off (Opens a modal)
- Deriving displacement as a function of time, acceleration, and initial velocity (Opens a modal)
- Plotting projectile displacement, acceleration, and velocity (Opens a modal)
- Projectile height given time (Opens a modal)
- Deriving max projectile displacement given time (Opens a modal)
- Impact velocity from given height (Opens a modal)
- Viewing g as the value of Earth's gravitational field near the surface (Opens a modal)
- What are the kinematic formulas? (Opens a modal)
- Choosing kinematic equations (Opens a modal)
- Setting up problems with constant acceleration Get 5 of 7 questions to level up!
- Kinematic formulas in one-dimension Get 5 of 7 questions to level up!

## Old videos on projectile motion

- Projectile motion (part 1) (Opens a modal)
- Projectile motion (part 2) (Opens a modal)
- Projectile motion (part 3) (Opens a modal)
- Projectile motion (part 4) (Opens a modal)
- Projectile motion (part 5) (Opens a modal)

## IMAGES

## VIDEO

## COMMENTS

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Up next for you:Position, acceleration, and velocityGet 3 of 4 questions to level up! Practice. Not started.

Do 4 problems. Check.

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Kinematic equations help solve for an unknown in a problem when an object has either a constant velocity or constant acceleration.

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Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a

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I guess the hardest part of Kinematic equation is figuring out which equation to use for the problem. You should always list your quantities

Stuck? Get a hint for this problem. If you use a hint, this problem won't count towards your progress.

Choosing kinematic equations. (Opens a modal) · Setting up problems with constant accelerationGet 5 of 7 questions to level up! Practice. Not started. Kinematic