04:11Spring gun momentum problem: spring with known compression launches a ball to accelerate a cart.Zak's Lab230views
06:48Physics momentum explosion with three objects: find the speeds given directions and total energy.Zak's Lab351views
04:041D perfectly inelastic collision with a slide to a stop. Conservation of momentum then work-energy.Zak's Lab257views
05:48Momentum and energy explosion problem: find the percent energy in each mass explosion problem.Zak's Lab273views