Concept — Energy associated with the motion of a body.
Present in chapters
04·05
Linked atoms
72 linked atoms.
04 Energia e lavoro
- Kinetic energy
- Worked example — minimum height for the loop
- The loop-the-loop: an energy approach
- Problem — From kinetic energy to speed
- Problem — Two springs and a box
- Problem — Kinetic energy of a ball
- h
- Problem — Kinetic energy and doubled speed
- Problem — Ball, spring, friction and flight (4 states)
- Problem — Ranking kinetic energies (car, ball, bike, golf)
- Problem — Ranking kinetic energies (four objects)
- Problem — Efficiency of a wind turbine blade
- Problem — Estimating the kinetic energy of a car
- Problem — Temperature of a car’s brakes
- Problem — True or false about work and energy
- Problem — True or false about work and kinetic energy
04b Oscillazioni e moto armonico
- Energy in the harmonic oscillator
- Worked example — Maximum speed from energy
- Problem — Energy and amplitude
05 Quantità di moto e urti
- Bubble diagram for collisions
- Proof — 1D elastic collision
- Elastic tennis
- Worked example — collision via a spring
- Worked example — explosion into two fragments
- Worked example — 1D elastic collision
- Worked example — partially inelastic collision
- Explosions
- Newton’s cradle
- The two parallel tables
- Mass that halves
- Ballistic pendulum (height)
- Ballistic pendulum (speed)
- Problem — 2D explosion with three fragments
- Momentum
- Ranking the kinetic energies
- Recoil of a pistol
- Jumping off a bench
- Problem — Fermi estimate, deflecting an asteroid
- Types of collision: elastic, inelastic, totally inelastic
- Three bodies in a cascade
- Inelastic collision, truck and car
- Collision with a spring in three phases
- Elastic collision in 1D
- Elastic collision between two marbles
- Elastic collision between different masses
06 Centro di massa
- Kick and impulse
- Proof of König’s theorem
- Proof of König’s theorem
- Internal kinetic energy of two balls
- Internal kinetic energy and temperature
- Worked example — Fictitious gas of two balls
- Summarised and decomposed quantities
- König’s theorem for kinetic energy
- Collision between sledges
- Perfectly inelastic collision
08 Gravitazione universale
- Binding energy of a satellite
- Explosion of a probe
- Planet from Kepler’s laws: star mass, speed and energy
- Hohmann transfer, Earth to Mars
09 Teoria cinetica dei gas
- Internal energy is purely kinetic
- Problem — Proof that PV = nRT
- Problem — Two gases at the same temperature
- Problem — Hydrogen or oxygen at the same temperature
- Problem — Hydrogen or oxygen faster
- Problem — Ranking mean kinetic energy