Kinematics
Position, velocity and acceleration — read them off graphs, follow them through free fall and projectile flight, and compare them between moving observers.
Problems
- Which Is a Vector?
- Which Is Not a Vector?
- Find the Scalar
- Both Must Be Vectors
- Acceleration on the Steep Part
- Distance While Speeding Up
- Average Velocity over Six Seconds
- Speed After the First Push
- Average Acceleration from a Velocity Graph
- Average Acceleration, 2 s to 4 s
- Speed at the End
- When Does It Stop?
- Distance from an Acceleration Graph
- Braking Past Zero
- Distance Is Not Displacement
- Displacement from the Same Graph
- Find the Acceleration
- Train Acceleration in Numbers
- When Is x Largest?
- Average Speed in Numbers
- How Long Does It Take?
- How Long to Pass?
- Time from A to C
- How Far in x?
- Speed Halfway Along
- A Train Passing a Post
- Velocity at the Furthest Point
- Speed Up, Then Cruise
- Cruising Twice as Far
- When the Middle Goes By
- Halfway in Time Is Not Halfway in Distance
- Back at x = 0
- Distance in the Third Second
- Time to Fall 80 m
- Who Lands Faster?
- Free Fall: The Next Second
- A Gentler Slope
- Last Second Gives the Height
- Falling Versus Sliding
- Thrown Up, Lands Below
- Two Rocks Landing Together
- Timing the Second Rock
- The Last 25 Metres
- Time Down a 30° Slope
- How High Was the Cliff?
- How Far Does It Land?
- Find the Launch Speed
- Speed on Landing
- Drifting Downstream
- Two Trains Leaving a Station
- An Egg Tossed in a Moving Car
- Same Direction This Time
- Equal Speeds
- Crossing Time
- Rain Seen from a Moving Car
- With a Tailwind
- Flying Through a Crosswind
- Seen from Inside the Car
- Aiming Upstream
- Which Way to Point the Nose?
- How Far Apart?
- A Gentler Toss
- Finding the Angle
- There and Back
- How Fast Does the Rain Seem to Fall?
- An Accelerating Car
- Total Distance Covered
- A Late but Faster Train