All the chapter’s worked exercises, step by step, in order of appearance in the book: first the guided exercises in the text and the section problems, then the end-of-chapter problems (numerical, conceptual, true/false, ranking, graphs, Fermi estimates).
Exercises and problems in the text
- Worked example — explosion into two fragments
- Jumping out of the window
- Worked example — 1D elastic collision
- Worked example — partially inelastic collision
- 2D explosion with three fragments
- Worked example — collision via a spring
End-of-chapter problems
- Momentum of a car
- Falling onto a mattress
- Impulse on a tennis ball
- Child jumping onto a trolley
- Elastic collision between two marbles
- Crash test with airbag
- True or false about collisions
- Ballistic pendulum (height)
- Proof of the 1D elastic collision formulas
- Recoil on ice
- Ranking momentum (mv)
- Bowling ball against a pin
- Elastic tennis
- Trolley and a running person
- Recoil of a cannon
- Car against lorry
- Three balls against the wall
- True or false (impulse and collisions)
- Jumping off the bench
- Why airbags save lives
- Hockey pucks
- Conservation and change of reference frame
- Newton’s cradle
- Rocket in a vacuum
- Ranking momenta
- Ranking kinetic energies
- Elastic collision between different masses
- Inelastic lorry-car collision
- Recoil of a pistol
- Perpendicular 2D collision
- Sudden swerve (impulse)
- Velocity from the total momentum
- Broken third law
- Mass that halves
- Staged rocket
- Ballistic pendulum (velocity)
- Life-saving shock absorbers
- The ball that comes back
- Triangular F(t) graph
- p(t) graph of a rocket
- Fermi estimate: kicking a ball
- Fermi estimate: mass of the bullet
- Fermi estimate: deflecting an asteroid
- Three bodies in cascade