Posts Tagged ‘speed’
Kinetic energy – when a vehicle stops suddenly, the energy has to go somewhere
Posted by: Gary Ernest Davis on: March 26, 2011
It’s an intuitive feeling that when we are driving a car, doubling our speed doubles our danger. Sadly, this intuition is not correct. Doubling our speed quadruples our danger. The momentum of a car is the product of its weight (mass) and its speed (strictly speaking, the product of its mass and velocity). Momentum doubles […]
