Momentum & Collisions
Impulse, recoil, explosions and collisions in one and two dimensions — elastic, inelastic and everything between.
Problems
- Hit Straight Back
- Impulse in the First Second
- Speed After Half a Second
- Speed from a Force–Time Graph
- Up at Right Angles
- A Bat Sends the Ball Straight Up
- Average Force of the Bat
- Fastest Moment
- Pushed Apart from the Inside
- Jumping off a Cart
- An Explosion from Rest
- Pushed Apart: Speed of B
- Starting from Rest
- Equal Blocks, One Spring
- Running Inside a Train
- A Slower Push
- How High Does A Climb?
- Throwing a Ball off a Cart
- Swapping the Masses
- A Three-to-One Mass Ratio
- A Collision That Splits an Object
- A Spring Pushes Two Blocks Apart
- Throwing Backward from a Cart
- A Piece Thrown Backward
- Speed Relative to the Train
- How Far Does the Train Move?
- How Much Energy Was in the Spring?
- Which Way Does the Fragment Go?
- How Fast Do They Separate?
- Throwing Forward Instead
- Equal Masses
- Speed Just After the Bullet Embeds
- Speed at the Bottom
- Find the Mass of B
- Equal Pendulum Bobs Collide
- Two Carts Couple Together
- Head-On Collision: Speed of A
- The Lighter Block Stops
- Energy Lost in Coupling
- A Stops Dead
- Recoil of Cart A
- Speed Off the Spring
- Landing on Cart B
- Mass from a Rebound
- Bullet Speed from Spring Compression
- Speed Right After the Collision
- Jumping Between Carts
- A Heavier Cart Hits a Lighter One
- Stick Together and Climb
- Compress It Twice as Far
- Three Objects, One Unknown
- A Pendulum Bounces Back
- Spring, Collision, Slope
- A Heavier Target
- Speed Given to the Block
- Two Pendulums Stick Together
- Bullet, Block and Spring
- A Chain of Three Blocks
- This Time It Sticks
- Was Any Energy Lost?
- Comparing the Kinetic Energies
- Does B Turn Back?
- Catching Up
- Energy Lost When the Bobs Stick
- How Much of the Bullet's Energy Reaches the Spring?
- An Elastic Bounce
- A Heavier Target Block
- A Slower Glancing Collision
- A 37°–53° Split
- A Glancing Elastic Collision
- The Angle Between Them